28816360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 70917120

約数和(自身を除く): 42100760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 1367, 2108, 2635, 2734, 4216, 5270, 5468, 6835, 10540, 10936, 13670, 21080, 23239, 27340, 42377, 46478, 54680, 84754, 92956, 116195, 169508, 185912, 211885, 232390, 339016, 423770, 464780, 720409, 847540, 929560, 1440818, 1695080, 2881636, 3602045, 5763272, 7204090, 14408180, 28816360]

約数ペア:

[(1, 28816360), (2, 14408180), (4, 7204090), (5, 5763272), (8, 3602045), (10, 2881636), (17, 1695080), (20, 1440818), (31, 929560), (34, 847540), (40, 720409), (62, 464780), (68, 423770), (85, 339016), (124, 232390), (136, 211885), (155, 185912), (170, 169508), (248, 116195), (310, 92956), (340, 84754), (527, 54680), (620, 46478), (680, 42377), (1054, 27340), (1240, 23239), (1367, 21080), (2108, 13670), (2635, 10936), (2734, 10540), (4216, 6835), (5270, 5468)]