64096840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51691}}^1$

素因数の和:51733

約数の個数: 32

約数和(自身を含む): 148872960

約数和(自身を除く): 84776120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 51691, 103382, 206764, 258455, 413528, 516910, 1033820, 1602421, 2067640, 3204842, 6409684, 8012105, 12819368, 16024210, 32048420, 64096840]

約数ペア:

[(1, 64096840), (2, 32048420), (4, 16024210), (5, 12819368), (8, 8012105), (10, 6409684), (20, 3204842), (31, 2067640), (40, 1602421), (62, 1033820), (124, 516910), (155, 413528), (248, 258455), (310, 206764), (620, 103382), (1240, 51691)]