70173640

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{7867}}^1$

素因数の和:8101

約数の個数: 32

約数和(自身を含む): 158618880

約数和(自身を除く): 88445240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 7867, 8920, 15734, 31468, 39335, 62936, 78670, 157340, 314680, 1754341, 3508682, 7017364, 8771705, 14034728, 17543410, 35086820, 70173640]

約数ペア:

[(1, 70173640), (2, 35086820), (4, 17543410), (5, 14034728), (8, 8771705), (10, 7017364), (20, 3508682), (40, 1754341), (223, 314680), (446, 157340), (892, 78670), (1115, 62936), (1784, 39335), (2230, 31468), (4460, 15734), (7867, 8920)]