71345420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67307}}^1$

素因数の和:67369

約数の個数: 24

約数和(自身を含む): 152654544

約数和(自身を除く): 81309124

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 67307, 134614, 269228, 336535, 673070, 1346140, 3567271, 7134542, 14269084, 17836355, 35672710, 71345420]

約数ペア:

[(1, 71345420), (2, 35672710), (4, 17836355), (5, 14269084), (10, 7134542), (20, 3567271), (53, 1346140), (106, 673070), (212, 336535), (265, 269228), (530, 134614), (1060, 67307)]