2017646320

素因数分解:

$2^4\times 5^1\times {\mathrm{25220579}}^1$

素因数の和:25220592

約数の個数: 20

約数和(自身を含む): 4691027880

約数和(自身を除く): 2673381560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25220579, 50441158, 100882316, 126102895, 201764632, 252205790, 403529264, 504411580, 1008823160, 2017646320]

約数ペア:

[(1, 2017646320), (2, 1008823160), (4, 504411580), (5, 403529264), (8, 252205790), (10, 201764632), (16, 126102895), (20, 100882316), (40, 50441158), (80, 25220579)]