89000990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{859}}^1$

素因数の和:1676

約数の個数: 32

約数和(自身を含む): 172942560

約数和(自身を除く): 83941570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 797, 859, 1594, 1718, 3985, 4295, 7970, 8590, 10361, 11167, 20722, 22334, 51805, 55835, 103610, 111670, 684623, 1369246, 3423115, 6846230, 8900099, 17800198, 44500495, 89000990]

約数ペア:

[(1, 89000990), (2, 44500495), (5, 17800198), (10, 8900099), (13, 6846230), (26, 3423115), (65, 1369246), (130, 684623), (797, 111670), (859, 103610), (1594, 55835), (1718, 51805), (3985, 22334), (4295, 20722), (7970, 11167), (8590, 10361)]