12957980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{92557}}^1$

素因数の和:92573

約数の個数: 24

約数和(自身を含む): 31099488

約数和(自身を除く): 18141508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 92557, 185114, 370228, 462785, 647899, 925570, 1295798, 1851140, 2591596, 3239495, 6478990, 12957980]

約数ペア:

[(1, 12957980), (2, 6478990), (4, 3239495), (5, 2591596), (7, 1851140), (10, 1295798), (14, 925570), (20, 647899), (28, 462785), (35, 370228), (70, 185114), (140, 92557)]