201657620

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{39233}}^1$

素因数の和:39499

約数の個数: 24

約数和(自身を含む): 425139624

約数和(自身を除く): 223482004

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 39233, 78466, 156932, 196165, 392330, 784660, 10082881, 20165762, 40331524, 50414405, 100828810, 201657620]

約数ペア:

[(1, 201657620), (2, 100828810), (4, 50414405), (5, 40331524), (10, 20165762), (20, 10082881), (257, 784660), (514, 392330), (1028, 196165), (1285, 156932), (2570, 78466), (5140, 39233)]