13888917640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{135581}}^1$

素因数の和:135802

約数の個数: 64

約数和(自身を含む): 33824997360

約数和(自身を除く): 19936079720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 985, 1576, 1970, 2561, 3940, 5122, 7880, 10244, 12805, 20488, 25610, 51220, 102440, 135581, 271162, 542324, 677905, 1084648, 1355810, 1762553, 2711620, 3525106, 5423240, 7050212, 8812765, 14100424, 17625530, 26709457, 35251060, 53418914, 70502120, 106837828, 133547285, 213675656, 267094570, 347222941, 534189140, 694445882, 1068378280, 1388891764, 1736114705, 2777783528, 3472229410, 6944458820, 13888917640]

約数ペア:

[(1, 13888917640), (2, 6944458820), (4, 3472229410), (5, 2777783528), (8, 1736114705), (10, 1388891764), (13, 1068378280), (20, 694445882), (26, 534189140), (40, 347222941), (52, 267094570), (65, 213675656), (104, 133547285), (130, 106837828), (197, 70502120), (260, 53418914), (394, 35251060), (520, 26709457), (788, 17625530), (985, 14100424), (1576, 8812765), (1970, 7050212), (2561, 5423240), (3940, 3525106), (5122, 2711620), (7880, 1762553), (10244, 1355810), (12805, 1084648), (20488, 677905), (25610, 542324), (51220, 271162), (102440, 135581)]