85867880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2341}}^1$

素因数の和:2490

約数の個数: 64

約数和(自身を含む): 222583680

約数和(自身を除く): 136715800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2341, 2620, 3668, 4585, 4682, 5240, 7336, 9170, 9364, 11705, 16387, 18340, 18728, 23410, 32774, 36680, 46820, 65548, 81935, 93640, 131096, 163870, 306671, 327740, 613342, 655480, 1226684, 1533355, 2146697, 2453368, 3066710, 4293394, 6133420, 8586788, 10733485, 12266840, 17173576, 21466970, 42933940, 85867880]

約数ペア:

[(1, 85867880), (2, 42933940), (4, 21466970), (5, 17173576), (7, 12266840), (8, 10733485), (10, 8586788), (14, 6133420), (20, 4293394), (28, 3066710), (35, 2453368), (40, 2146697), (56, 1533355), (70, 1226684), (131, 655480), (140, 613342), (262, 327740), (280, 306671), (524, 163870), (655, 131096), (917, 93640), (1048, 81935), (1310, 65548), (1834, 46820), (2341, 36680), (2620, 32774), (3668, 23410), (4585, 18728), (4682, 18340), (5240, 16387), (7336, 11705), (9170, 9364)]