86408980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21283}}^1$

素因数の和:21328

約数の個数: 48

約数和(自身を含む): 214542720

約数和(自身を除く): 128133740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 21283, 42566, 85132, 106415, 148981, 212830, 297962, 425660, 595924, 617207, 744905, 1234414, 1489810, 2468828, 2979620, 3086035, 4320449, 6172070, 8640898, 12344140, 17281796, 21602245, 43204490, 86408980]

約数ペア:

[(1, 86408980), (2, 43204490), (4, 21602245), (5, 17281796), (7, 12344140), (10, 8640898), (14, 6172070), (20, 4320449), (28, 3086035), (29, 2979620), (35, 2468828), (58, 1489810), (70, 1234414), (116, 744905), (140, 617207), (145, 595924), (203, 425660), (290, 297962), (406, 212830), (580, 148981), (812, 106415), (1015, 85132), (2030, 42566), (4060, 21283)]