25663740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{691}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 72078720

約数和(自身を除く): 46414980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 619, 691, 1238, 1382, 1857, 2073, 2476, 2764, 3095, 3455, 3714, 4146, 6190, 6910, 7428, 8292, 9285, 10365, 12380, 13820, 18570, 20730, 37140, 41460, 427729, 855458, 1283187, 1710916, 2138645, 2566374, 4277290, 5132748, 6415935, 8554580, 12831870, 25663740]

約数ペア:

[(1, 25663740), (2, 12831870), (3, 8554580), (4, 6415935), (5, 5132748), (6, 4277290), (10, 2566374), (12, 2138645), (15, 1710916), (20, 1283187), (30, 855458), (60, 427729), (619, 41460), (691, 37140), (1238, 20730), (1382, 18570), (1857, 13820), (2073, 12380), (2476, 10365), (2764, 9285), (3095, 8292), (3455, 7428), (3714, 6910), (4146, 6190)]