204931460

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{40823}}^1$

素因数の和:41083

約数の個数: 24

約数和(自身を含む): 432081216

約数和(自身を除く): 227149756

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 40823, 81646, 163292, 204115, 408230, 816460, 10246573, 20493146, 40986292, 51232865, 102465730, 204931460]

約数ペア:

[(1, 204931460), (2, 102465730), (4, 51232865), (5, 40986292), (10, 20493146), (20, 10246573), (251, 816460), (502, 408230), (1004, 204115), (1255, 163292), (2510, 81646), (5020, 40823)]