521128880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{3391}}^1$

素因数の和:3534

約数の個数: 80

約数和(自身を含む): 1294631424

約数和(自身を除く): 773502544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 113, 136, 170, 226, 272, 340, 452, 565, 680, 904, 1130, 1360, 1808, 1921, 2260, 3391, 3842, 4520, 6782, 7684, 9040, 9605, 13564, 15368, 16955, 19210, 27128, 30736, 33910, 38420, 54256, 57647, 67820, 76840, 115294, 135640, 153680, 230588, 271280, 288235, 383183, 461176, 576470, 766366, 922352, 1152940, 1532732, 1915915, 2305880, 3065464, 3831830, 4611760, 6130928, 6514111, 7663660, 13028222, 15327320, 26056444, 30654640, 32570555, 52112888, 65141110, 104225776, 130282220, 260564440, 521128880]

約数ペア:

[(1, 521128880), (2, 260564440), (4, 130282220), (5, 104225776), (8, 65141110), (10, 52112888), (16, 32570555), (17, 30654640), (20, 26056444), (34, 15327320), (40, 13028222), (68, 7663660), (80, 6514111), (85, 6130928), (113, 4611760), (136, 3831830), (170, 3065464), (226, 2305880), (272, 1915915), (340, 1532732), (452, 1152940), (565, 922352), (680, 766366), (904, 576470), (1130, 461176), (1360, 383183), (1808, 288235), (1921, 271280), (2260, 230588), (3391, 153680), (3842, 135640), (4520, 115294), (6782, 76840), (7684, 67820), (9040, 57647), (9605, 54256), (13564, 38420), (15368, 33910), (16955, 30736), (19210, 27128)]