408033980

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{77573}}^1$

素因数の和:77845

約数の個数: 24

約数和(自身を含む): 860140512

約数和(自身を除く): 452106532

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 77573, 155146, 310292, 387865, 775730, 1551460, 20401699, 40803398, 81606796, 102008495, 204016990, 408033980]

約数ペア:

[(1, 408033980), (2, 204016990), (4, 102008495), (5, 81606796), (10, 40803398), (20, 20401699), (263, 1551460), (526, 775730), (1052, 387865), (1315, 310292), (2630, 155146), (5260, 77573)]