64972700

素因数分解:

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

素因数の和:144

約数の個数: 144

約数和(自身を含む): 165364416

約数和(自身を除く): 100391716

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 41, 46, 50, 52, 53, 65, 82, 92, 100, 106, 115, 130, 164, 205, 212, 230, 260, 265, 299, 325, 410, 460, 530, 533, 575, 598, 650, 689, 820, 943, 1025, 1060, 1066, 1150, 1196, 1219, 1300, 1325, 1378, 1495, 1886, 2050, 2132, 2173, 2300, 2438, 2650, 2665, 2756, 2990, 3445, 3772, 4100, 4346, 4715, 4876, 5300, 5330, 5980, 6095, 6890, 7475, 8692, 9430, 10660, 10865, 12190, 12259, 13325, 13780, 14950, 15847, 17225, 18860, 21730, 23575, 24380, 24518, 26650, 28249, 29900, 30475, 31694, 34450, 43460, 47150, 49036, 49979, 53300, 54325, 56498, 60950, 61295, 63388, 68900, 79235, 94300, 99958, 108650, 112996, 121900, 122590, 141245, 158470, 199916, 217300, 245180, 249895, 282490, 306475, 316940, 396175, 499790, 564980, 612950, 649727, 706225, 792350, 999580, 1225900, 1249475, 1299454, 1412450, 1584700, 2498950, 2598908, 2824900, 3248635, 4997900, 6497270, 12994540, 16243175, 32486350, 64972700]

約数ペア:

[(1, 64972700), (2, 32486350), (4, 16243175), (5, 12994540), (10, 6497270), (13, 4997900), (20, 3248635), (23, 2824900), (25, 2598908), (26, 2498950), (41, 1584700), (46, 1412450), (50, 1299454), (52, 1249475), (53, 1225900), (65, 999580), (82, 792350), (92, 706225), (100, 649727), (106, 612950), (115, 564980), (130, 499790), (164, 396175), (205, 316940), (212, 306475), (230, 282490), (260, 249895), (265, 245180), (299, 217300), (325, 199916), (410, 158470), (460, 141245), (530, 122590), (533, 121900), (575, 112996), (598, 108650), (650, 99958), (689, 94300), (820, 79235), (943, 68900), (1025, 63388), (1060, 61295), (1066, 60950), (1150, 56498), (1196, 54325), (1219, 53300), (1300, 49979), (1325, 49036), (1378, 47150), (1495, 43460), (1886, 34450), (2050, 31694), (2132, 30475), (2173, 29900), (2300, 28249), (2438, 26650), (2650, 24518), (2665, 24380), (2756, 23575), (2990, 21730), (3445, 18860), (3772, 17225), (4100, 15847), (4346, 14950), (4715, 13780), (4876, 13325), (5300, 12259), (5330, 12190), (5980, 10865), (6095, 10660), (6890, 9430), (7475, 8692)]