64920740

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{5261}}^1$

素因数の和:5887

約数の個数: 24

約数和(自身を含む): 136580472

約数和(自身を除く): 71659732

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 5261, 6170, 10522, 12340, 21044, 26305, 52610, 105220, 3246037, 6492074, 12984148, 16230185, 32460370, 64920740]

約数ペア:

[(1, 64920740), (2, 32460370), (4, 16230185), (5, 12984148), (10, 6492074), (20, 3246037), (617, 105220), (1234, 52610), (2468, 26305), (3085, 21044), (5261, 12340), (6170, 10522)]