8465080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 20885760

約数和(自身を除く): 12420680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 223, 260, 292, 365, 446, 520, 584, 730, 892, 949, 1115, 1460, 1784, 1898, 2230, 2899, 2920, 3796, 4460, 4745, 5798, 7592, 8920, 9490, 11596, 14495, 16279, 18980, 23192, 28990, 32558, 37960, 57980, 65116, 81395, 115960, 130232, 162790, 211627, 325580, 423254, 651160, 846508, 1058135, 1693016, 2116270, 4232540, 8465080]

約数ペア:

[(1, 8465080), (2, 4232540), (4, 2116270), (5, 1693016), (8, 1058135), (10, 846508), (13, 651160), (20, 423254), (26, 325580), (40, 211627), (52, 162790), (65, 130232), (73, 115960), (104, 81395), (130, 65116), (146, 57980), (223, 37960), (260, 32558), (292, 28990), (365, 23192), (446, 18980), (520, 16279), (584, 14495), (730, 11596), (892, 9490), (949, 8920), (1115, 7592), (1460, 5798), (1784, 4745), (1898, 4460), (2230, 3796), (2899, 2920)]