74779640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143807}}^1$

素因数の和:143831

約数の個数: 32

約数和(自身を含む): 181198080

約数和(自身を除く): 106418440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143807, 287614, 575228, 719035, 1150456, 1438070, 1869491, 2876140, 3738982, 5752280, 7477964, 9347455, 14955928, 18694910, 37389820, 74779640]

約数ペア:

[(1, 74779640), (2, 37389820), (4, 18694910), (5, 14955928), (8, 9347455), (10, 7477964), (13, 5752280), (20, 3738982), (26, 2876140), (40, 1869491), (52, 1438070), (65, 1150456), (104, 719035), (130, 575228), (260, 287614), (520, 143807)]