16800080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 45157824

約数和(自身を除く): 28357744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1123, 1360, 1496, 1870, 2246, 2992, 3740, 4492, 5615, 7480, 8984, 11230, 12353, 14960, 17968, 19091, 22460, 24706, 38182, 44920, 49412, 61765, 76364, 89840, 95455, 98824, 123530, 152728, 190910, 197648, 210001, 247060, 305456, 381820, 420002, 494120, 763640, 840004, 988240, 1050005, 1527280, 1680008, 2100010, 3360016, 4200020, 8400040, 16800080]

約数ペア:

[(1, 16800080), (2, 8400040), (4, 4200020), (5, 3360016), (8, 2100010), (10, 1680008), (11, 1527280), (16, 1050005), (17, 988240), (20, 840004), (22, 763640), (34, 494120), (40, 420002), (44, 381820), (55, 305456), (68, 247060), (80, 210001), (85, 197648), (88, 190910), (110, 152728), (136, 123530), (170, 98824), (176, 95455), (187, 89840), (220, 76364), (272, 61765), (340, 49412), (374, 44920), (440, 38182), (680, 24706), (748, 22460), (880, 19091), (935, 17968), (1123, 14960), (1360, 12353), (1496, 11230), (1870, 8984), (2246, 7480), (2992, 5615), (3740, 4492)]