77765840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18341}}^1$

素因数の和:18407

約数の個数: 40

約数和(自身を含む): 184227048

約数和(自身を除く): 106461208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 18341, 36682, 73364, 91705, 146728, 183410, 293456, 366820, 733640, 972073, 1467280, 1944146, 3888292, 4860365, 7776584, 9720730, 15553168, 19441460, 38882920, 77765840]

約数ペア:

[(1, 77765840), (2, 38882920), (4, 19441460), (5, 15553168), (8, 9720730), (10, 7776584), (16, 4860365), (20, 3888292), (40, 1944146), (53, 1467280), (80, 972073), (106, 733640), (212, 366820), (265, 293456), (424, 183410), (530, 146728), (848, 91705), (1060, 73364), (2120, 36682), (4240, 18341)]