51978160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 141740928

約数和(自身を除く): 89762768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 41, 46, 52, 53, 65, 80, 82, 92, 104, 106, 115, 130, 164, 184, 205, 208, 212, 230, 260, 265, 299, 328, 368, 410, 424, 460, 520, 530, 533, 598, 656, 689, 820, 848, 920, 943, 1040, 1060, 1066, 1196, 1219, 1378, 1495, 1640, 1840, 1886, 2120, 2132, 2173, 2392, 2438, 2665, 2756, 2990, 3280, 3445, 3772, 4240, 4264, 4346, 4715, 4784, 4876, 5330, 5512, 5980, 6095, 6890, 7544, 8528, 8692, 9430, 9752, 10660, 10865, 11024, 11960, 12190, 12259, 13780, 15088, 15847, 17384, 18860, 19504, 21320, 21730, 23920, 24380, 24518, 27560, 28249, 31694, 34768, 37720, 42640, 43460, 48760, 49036, 49979, 55120, 56498, 61295, 63388, 75440, 79235, 86920, 97520, 98072, 99958, 112996, 122590, 126776, 141245, 158470, 173840, 196144, 199916, 225992, 245180, 249895, 253552, 282490, 316940, 399832, 451984, 490360, 499790, 564980, 633880, 649727, 799664, 980720, 999580, 1129960, 1267760, 1299454, 1999160, 2259920, 2598908, 3248635, 3998320, 5197816, 6497270, 10395632, 12994540, 25989080, 51978160]

約数ペア:

[(1, 51978160), (2, 25989080), (4, 12994540), (5, 10395632), (8, 6497270), (10, 5197816), (13, 3998320), (16, 3248635), (20, 2598908), (23, 2259920), (26, 1999160), (40, 1299454), (41, 1267760), (46, 1129960), (52, 999580), (53, 980720), (65, 799664), (80, 649727), (82, 633880), (92, 564980), (104, 499790), (106, 490360), (115, 451984), (130, 399832), (164, 316940), (184, 282490), (205, 253552), (208, 249895), (212, 245180), (230, 225992), (260, 199916), (265, 196144), (299, 173840), (328, 158470), (368, 141245), (410, 126776), (424, 122590), (460, 112996), (520, 99958), (530, 98072), (533, 97520), (598, 86920), (656, 79235), (689, 75440), (820, 63388), (848, 61295), (920, 56498), (943, 55120), (1040, 49979), (1060, 49036), (1066, 48760), (1196, 43460), (1219, 42640), (1378, 37720), (1495, 34768), (1640, 31694), (1840, 28249), (1886, 27560), (2120, 24518), (2132, 24380), (2173, 23920), (2392, 21730), (2438, 21320), (2665, 19504), (2756, 18860), (2990, 17384), (3280, 15847), (3445, 15088), (3772, 13780), (4240, 12259), (4264, 12190), (4346, 11960), (4715, 11024), (4784, 10865), (4876, 10660), (5330, 9752), (5512, 9430), (5980, 8692), (6095, 8528), (6890, 7544)]