408032620

素因数分解:

$2^2\times 5^1\times {\mathrm{1483}}^1\times {\mathrm{13757}}^1$

素因数の和:15249

約数の個数: 24

約数和(自身を含む): 857508624

約数和(自身を除く): 449476004

約数列:

[1, 2, 4, 5, 10, 20, 1483, 2966, 5932, 7415, 13757, 14830, 27514, 29660, 55028, 68785, 137570, 275140, 20401631, 40803262, 81606524, 102008155, 204016310, 408032620]

約数ペア:

[(1, 408032620), (2, 204016310), (4, 102008155), (5, 81606524), (10, 40803262), (20, 20401631), (1483, 275140), (2966, 137570), (5932, 68785), (7415, 55028), (13757, 29660), (14830, 27514)]