25989080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 68584320

約数和(自身を除く): 42595240

約数列:

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

約数ペア:

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