65142160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26267}}^1$

素因数の和:26311

約数の個数: 40

約数和(自身を含む): 156347136

約数和(自身を除く): 91204976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26267, 52534, 105068, 131335, 210136, 262670, 420272, 525340, 814277, 1050680, 1628554, 2101360, 3257108, 4071385, 6514216, 8142770, 13028432, 16285540, 32571080, 65142160]

約数ペア:

[(1, 65142160), (2, 32571080), (4, 16285540), (5, 13028432), (8, 8142770), (10, 6514216), (16, 4071385), (20, 3257108), (31, 2101360), (40, 1628554), (62, 1050680), (80, 814277), (124, 525340), (155, 420272), (248, 262670), (310, 210136), (496, 131335), (620, 105068), (1240, 52534), (2480, 26267)]