25331380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17839}}^1$

素因数の和:17919

約数の個数: 24

約数和(自身を含む): 53948160

約数和(自身を除く): 28616780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 17839, 35678, 71356, 89195, 178390, 356780, 1266569, 2533138, 5066276, 6332845, 12665690, 25331380]

約数ペア:

[(1, 25331380), (2, 12665690), (4, 6332845), (5, 5066276), (10, 2533138), (20, 1266569), (71, 356780), (142, 178390), (284, 89195), (355, 71356), (710, 35678), (1420, 17839)]