140128760

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{12647}}^1$

素因数の和:12935

約数の個数: 32

約数和(自身を含む): 316452960

約数和(自身を除く): 176324200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 12647, 25294, 50588, 63235, 101176, 126470, 252940, 505880, 3503219, 7006438, 14012876, 17516095, 28025752, 35032190, 70064380, 140128760]

約数ペア:

[(1, 140128760), (2, 70064380), (4, 35032190), (5, 28025752), (8, 17516095), (10, 14012876), (20, 7006438), (40, 3503219), (277, 505880), (554, 252940), (1108, 126470), (1385, 101176), (2216, 63235), (2770, 50588), (5540, 25294), (11080, 12647)]