85118180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9967}}^1$

素因数の和:10044

約数の個数: 48

約数和(自身を含む): 207653376

約数和(自身を除く): 122535196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 9967, 19934, 39868, 49835, 69769, 99670, 139538, 199340, 279076, 348845, 607987, 697690, 1215974, 1395380, 2431948, 3039935, 4255909, 6079870, 8511818, 12159740, 17023636, 21279545, 42559090, 85118180]

約数ペア:

[(1, 85118180), (2, 42559090), (4, 21279545), (5, 17023636), (7, 12159740), (10, 8511818), (14, 6079870), (20, 4255909), (28, 3039935), (35, 2431948), (61, 1395380), (70, 1215974), (122, 697690), (140, 607987), (244, 348845), (305, 279076), (427, 199340), (610, 139538), (854, 99670), (1220, 69769), (1708, 49835), (2135, 39868), (4270, 19934), (8540, 9967)]