201430480

素因数分解:

$2^4\times 5^1\times {\mathrm{2517881}}^1$

素因数の和:2517894

約数の個数: 20

約数和(自身を含む): 468326052

約数和(自身を除く): 266895572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2517881, 5035762, 10071524, 12589405, 20143048, 25178810, 40286096, 50357620, 100715240, 201430480]

約数ペア:

[(1, 201430480), (2, 100715240), (4, 50357620), (5, 40286096), (8, 25178810), (10, 20143048), (16, 12589405), (20, 10071524), (40, 5035762), (80, 2517881)]