28266920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3779}}^1$

素因数の和:3818

約数の個数: 64

約数和(自身を含む): 73483200

約数和(自身を除く): 45216280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 3779, 7480, 7558, 15116, 18895, 30232, 37790, 41569, 64243, 75580, 83138, 128486, 151160, 166276, 207845, 256972, 321215, 332552, 415690, 513944, 642430, 706673, 831380, 1284860, 1413346, 1662760, 2569720, 2826692, 3533365, 5653384, 7066730, 14133460, 28266920]

約数ペア:

[(1, 28266920), (2, 14133460), (4, 7066730), (5, 5653384), (8, 3533365), (10, 2826692), (11, 2569720), (17, 1662760), (20, 1413346), (22, 1284860), (34, 831380), (40, 706673), (44, 642430), (55, 513944), (68, 415690), (85, 332552), (88, 321215), (110, 256972), (136, 207845), (170, 166276), (187, 151160), (220, 128486), (340, 83138), (374, 75580), (440, 64243), (680, 41569), (748, 37790), (935, 30232), (1496, 18895), (1870, 15116), (3740, 7558), (3779, 7480)]