81645340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{583181}}^1$

素因数の和:583197

約数の個数: 24

約数和(自身を含む): 195949152

約数和(自身を除く): 114303812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 583181, 1166362, 2332724, 2915905, 4082267, 5831810, 8164534, 11663620, 16329068, 20411335, 40822670, 81645340]

約数ペア:

[(1, 81645340), (2, 40822670), (4, 20411335), (5, 16329068), (7, 11663620), (10, 8164534), (14, 5831810), (20, 4082267), (28, 2915905), (35, 2332724), (70, 1166362), (140, 583181)]