656128460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53693}}^1$

素因数の和:53762

約数の個数: 48

約数和(自身を含む): 1515459456

約数和(自身を除く): 859330996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 53693, 107386, 214772, 268465, 536930, 698009, 1073860, 1396018, 2523571, 2792036, 3490045, 5047142, 6980090, 10094284, 12617855, 13960180, 25235710, 32806423, 50471420, 65612846, 131225692, 164032115, 328064230, 656128460]

約数ペア:

[(1, 656128460), (2, 328064230), (4, 164032115), (5, 131225692), (10, 65612846), (13, 50471420), (20, 32806423), (26, 25235710), (47, 13960180), (52, 12617855), (65, 10094284), (94, 6980090), (130, 5047142), (188, 3490045), (235, 2792036), (260, 2523571), (470, 1396018), (611, 1073860), (940, 698009), (1222, 536930), (2444, 268465), (3055, 214772), (6110, 107386), (12220, 53693)]