39919490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 82252800

約数和(自身を除く): 42333310

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 79, 115, 130, 158, 169, 230, 299, 338, 395, 598, 790, 845, 1027, 1495, 1690, 1817, 2054, 2197, 2990, 3634, 3887, 4394, 5135, 7774, 9085, 10270, 10985, 13351, 18170, 19435, 21970, 23621, 26702, 38870, 47242, 50531, 66755, 101062, 118105, 133510, 173563, 236210, 252655, 307073, 347126, 505310, 614146, 867815, 1535365, 1735630, 3070730, 3991949, 7983898, 19959745, 39919490]

約数ペア:

[(1, 39919490), (2, 19959745), (5, 7983898), (10, 3991949), (13, 3070730), (23, 1735630), (26, 1535365), (46, 867815), (65, 614146), (79, 505310), (115, 347126), (130, 307073), (158, 252655), (169, 236210), (230, 173563), (299, 133510), (338, 118105), (395, 101062), (598, 66755), (790, 50531), (845, 47242), (1027, 38870), (1495, 26702), (1690, 23621), (1817, 21970), (2054, 19435), (2197, 18170), (2990, 13351), (3634, 10985), (3887, 10270), (4394, 9085), (5135, 7774)]