28569640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2239}}^1$

素因数の和:2290

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 44006360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2239, 2552, 3190, 4478, 6380, 8956, 11195, 12760, 17912, 22390, 24629, 44780, 49258, 64931, 89560, 98516, 123145, 129862, 197032, 246290, 259724, 324655, 492580, 519448, 649310, 714241, 985160, 1298620, 1428482, 2597240, 2856964, 3571205, 5713928, 7142410, 14284820, 28569640]

約数ペア:

[(1, 28569640), (2, 14284820), (4, 7142410), (5, 5713928), (8, 3571205), (10, 2856964), (11, 2597240), (20, 1428482), (22, 1298620), (29, 985160), (40, 714241), (44, 649310), (55, 519448), (58, 492580), (88, 324655), (110, 259724), (116, 246290), (145, 197032), (220, 129862), (232, 123145), (290, 98516), (319, 89560), (440, 64931), (580, 49258), (638, 44780), (1160, 24629), (1276, 22390), (1595, 17912), (2239, 12760), (2552, 11195), (3190, 8956), (4478, 6380)]