65263900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 155205344

約数和(自身を除く): 89941444

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 610, 650, 793, 823, 1220, 1300, 1525, 1586, 1646, 3050, 3172, 3292, 3965, 4115, 6100, 7930, 8230, 10699, 15860, 16460, 19825, 20575, 21398, 39650, 41150, 42796, 50203, 53495, 79300, 82300, 100406, 106990, 200812, 213980, 251015, 267475, 502030, 534950, 652639, 1004060, 1069900, 1255075, 1305278, 2510150, 2610556, 3263195, 5020300, 6526390, 13052780, 16315975, 32631950, 65263900]

約数ペア:

[(1, 65263900), (2, 32631950), (4, 16315975), (5, 13052780), (10, 6526390), (13, 5020300), (20, 3263195), (25, 2610556), (26, 2510150), (50, 1305278), (52, 1255075), (61, 1069900), (65, 1004060), (100, 652639), (122, 534950), (130, 502030), (244, 267475), (260, 251015), (305, 213980), (325, 200812), (610, 106990), (650, 100406), (793, 82300), (823, 79300), (1220, 53495), (1300, 50203), (1525, 42796), (1586, 41150), (1646, 39650), (3050, 21398), (3172, 20575), (3292, 19825), (3965, 16460), (4115, 15860), (6100, 10699), (7930, 8230)]