25456440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 76728960

約数和(自身を除く): 51272520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 614, 691, 921, 1228, 1382, 1535, 1842, 2073, 2456, 2764, 3070, 3455, 3684, 4146, 4605, 5528, 6140, 6910, 7368, 8292, 9210, 10365, 12280, 13820, 16584, 18420, 20730, 27640, 36840, 41460, 82920, 212137, 424274, 636411, 848548, 1060685, 1272822, 1697096, 2121370, 2545644, 3182055, 4242740, 5091288, 6364110, 8485480, 12728220, 25456440]

約数ペア:

[(1, 25456440), (2, 12728220), (3, 8485480), (4, 6364110), (5, 5091288), (6, 4242740), (8, 3182055), (10, 2545644), (12, 2121370), (15, 1697096), (20, 1272822), (24, 1060685), (30, 848548), (40, 636411), (60, 424274), (120, 212137), (307, 82920), (614, 41460), (691, 36840), (921, 27640), (1228, 20730), (1382, 18420), (1535, 16584), (1842, 13820), (2073, 12280), (2456, 10365), (2764, 9210), (3070, 8292), (3455, 7368), (3684, 6910), (4146, 6140), (4605, 5528)]