30965840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22769}}^1$

素因数の和:22799

約数の個数: 40

約数和(自身を含む): 76233960

約数和(自身を除く): 45268120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22769, 45538, 91076, 113845, 182152, 227690, 364304, 387073, 455380, 774146, 910760, 1548292, 1821520, 1935365, 3096584, 3870730, 6193168, 7741460, 15482920, 30965840]

約数ペア:

[(1, 30965840), (2, 15482920), (4, 7741460), (5, 6193168), (8, 3870730), (10, 3096584), (16, 1935365), (17, 1821520), (20, 1548292), (34, 910760), (40, 774146), (68, 455380), (80, 387073), (85, 364304), (136, 227690), (170, 182152), (272, 113845), (340, 91076), (680, 45538), (1360, 22769)]