87665060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1531}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 211048320

約数和(自身を除く): 123383260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1531, 1636, 2045, 2863, 3062, 4090, 5726, 6124, 7655, 8180, 10717, 11452, 14315, 15310, 21434, 28630, 30620, 42868, 53585, 57260, 107170, 214340, 626179, 1252358, 2504716, 3130895, 4383253, 6261790, 8766506, 12523580, 17533012, 21916265, 43832530, 87665060]

約数ペア:

[(1, 87665060), (2, 43832530), (4, 21916265), (5, 17533012), (7, 12523580), (10, 8766506), (14, 6261790), (20, 4383253), (28, 3130895), (35, 2504716), (70, 1252358), (140, 626179), (409, 214340), (818, 107170), (1531, 57260), (1636, 53585), (2045, 42868), (2863, 30620), (3062, 28630), (4090, 21434), (5726, 15310), (6124, 14315), (7655, 11452), (8180, 10717)]