66180560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20177}}^1$

素因数の和:20231

約数の個数: 40

約数和(自身を含む): 157630536

約数和(自身を除く): 91449976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20177, 40354, 80708, 100885, 161416, 201770, 322832, 403540, 807080, 827257, 1614160, 1654514, 3309028, 4136285, 6618056, 8272570, 13236112, 16545140, 33090280, 66180560]

約数ペア:

[(1, 66180560), (2, 33090280), (4, 16545140), (5, 13236112), (8, 8272570), (10, 6618056), (16, 4136285), (20, 3309028), (40, 1654514), (41, 1614160), (80, 827257), (82, 807080), (164, 403540), (205, 322832), (328, 201770), (410, 161416), (656, 100885), (820, 80708), (1640, 40354), (3280, 20177)]