8860540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 20448288

約数和(自身を除く): 11587748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 643, 689, 1060, 1286, 1378, 2572, 2756, 3215, 3445, 6430, 6890, 8359, 12860, 13780, 16718, 33436, 34079, 41795, 68158, 83590, 136316, 167180, 170395, 340790, 443027, 681580, 886054, 1772108, 2215135, 4430270, 8860540]

約数ペア:

[(1, 8860540), (2, 4430270), (4, 2215135), (5, 1772108), (10, 886054), (13, 681580), (20, 443027), (26, 340790), (52, 170395), (53, 167180), (65, 136316), (106, 83590), (130, 68158), (212, 41795), (260, 34079), (265, 33436), (530, 16718), (643, 13780), (689, 12860), (1060, 8359), (1286, 6890), (1378, 6430), (2572, 3445), (2756, 3215)]