202617620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{128239}}^1$

素因数の和:128327

約数の個数: 24

約数和(自身を含む): 430886400

約数和(自身を除く): 228268780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 128239, 256478, 512956, 641195, 1282390, 2564780, 10130881, 20261762, 40523524, 50654405, 101308810, 202617620]

約数ペア:

[(1, 202617620), (2, 101308810), (4, 50654405), (5, 40523524), (10, 20261762), (20, 10130881), (79, 2564780), (158, 1282390), (316, 641195), (395, 512956), (790, 256478), (1580, 128239)]