12459850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 25857720

約数和(自身を除く): 13397870

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 661, 725, 754, 1322, 1450, 1885, 3305, 3770, 6610, 8593, 9425, 16525, 17186, 18850, 19169, 33050, 38338, 42965, 85930, 95845, 191690, 214825, 249197, 429650, 479225, 498394, 958450, 1245985, 2491970, 6229925, 12459850]

約数ペア:

[(1, 12459850), (2, 6229925), (5, 2491970), (10, 1245985), (13, 958450), (25, 498394), (26, 479225), (29, 429650), (50, 249197), (58, 214825), (65, 191690), (130, 95845), (145, 85930), (290, 42965), (325, 38338), (377, 33050), (650, 19169), (661, 18850), (725, 17186), (754, 16525), (1322, 9425), (1450, 8593), (1885, 6610), (3305, 3770)]