7621640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14657}}^1$

素因数の和:14681

約数の個数: 32

約数和(自身を含む): 18469080

約数和(自身を除く): 10847440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 14657, 29314, 58628, 73285, 117256, 146570, 190541, 293140, 381082, 586280, 762164, 952705, 1524328, 1905410, 3810820, 7621640]

約数ペア:

[(1, 7621640), (2, 3810820), (4, 1905410), (5, 1524328), (8, 952705), (10, 762164), (13, 586280), (20, 381082), (26, 293140), (40, 190541), (52, 146570), (65, 117256), (104, 73285), (130, 58628), (260, 29314), (520, 14657)]