65276080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26321}}^1$

素因数の和:26365

約数の個数: 40

約数和(自身を含む): 156668544

約数和(自身を除く): 91392464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26321, 52642, 105284, 131605, 210568, 263210, 421136, 526420, 815951, 1052840, 1631902, 2105680, 3263804, 4079755, 6527608, 8159510, 13055216, 16319020, 32638040, 65276080]

約数ペア:

[(1, 65276080), (2, 32638040), (4, 16319020), (5, 13055216), (8, 8159510), (10, 6527608), (16, 4079755), (20, 3263804), (31, 2105680), (40, 1631902), (62, 1052840), (80, 815951), (124, 526420), (155, 421136), (248, 263210), (310, 210568), (496, 131605), (620, 105284), (1240, 52642), (2480, 26321)]