181796680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{26893}}^1$

素因数の和:26930

約数の個数: 48

約数和(自身を含む): 442944180

約数和(自身を除く): 261147500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 26893, 53786, 107572, 134465, 215144, 268930, 349609, 537860, 699218, 1075720, 1398436, 1748045, 2796872, 3496090, 4544917, 6992180, 9089834, 13984360, 18179668, 22724585, 36359336, 45449170, 90898340, 181796680]

約数ペア:

[(1, 181796680), (2, 90898340), (4, 45449170), (5, 36359336), (8, 22724585), (10, 18179668), (13, 13984360), (20, 9089834), (26, 6992180), (40, 4544917), (52, 3496090), (65, 2796872), (104, 1748045), (130, 1398436), (169, 1075720), (260, 699218), (338, 537860), (520, 349609), (676, 268930), (845, 215144), (1352, 134465), (1690, 107572), (3380, 53786), (6760, 26893)]