7978160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3217}}^1$

素因数の和:3261

約数の個数: 40

約数和(自身を含む): 19153536

約数和(自身を除く): 11175376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3217, 6434, 12868, 16085, 25736, 32170, 51472, 64340, 99727, 128680, 199454, 257360, 398908, 498635, 797816, 997270, 1595632, 1994540, 3989080, 7978160]

約数ペア:

[(1, 7978160), (2, 3989080), (4, 1994540), (5, 1595632), (8, 997270), (10, 797816), (16, 498635), (20, 398908), (31, 257360), (40, 199454), (62, 128680), (80, 99727), (124, 64340), (155, 51472), (248, 32170), (310, 25736), (496, 16085), (620, 12868), (1240, 6434), (2480, 3217)]