13418840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3257}}^1$

素因数の和:3371

約数の個数: 32

約数和(自身を含む): 30494880

約数和(自身を除く): 17076040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3257, 4120, 6514, 13028, 16285, 26056, 32570, 65140, 130280, 335471, 670942, 1341884, 1677355, 2683768, 3354710, 6709420, 13418840]

約数ペア:

[(1, 13418840), (2, 6709420), (4, 3354710), (5, 2683768), (8, 1677355), (10, 1341884), (20, 670942), (40, 335471), (103, 130280), (206, 65140), (412, 32570), (515, 26056), (824, 16285), (1030, 13028), (2060, 6514), (3257, 4120)]