28458560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6841}}^1$

素因数の和:6871

約数の個数: 56

約数和(自身を含む): 72990456

約数和(自身を除く): 44531896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 6841, 13682, 27364, 34205, 54728, 68410, 88933, 109456, 136820, 177866, 218912, 273640, 355732, 437824, 444665, 547280, 711464, 889330, 1094560, 1422928, 1778660, 2189120, 2845856, 3557320, 5691712, 7114640, 14229280, 28458560]

約数ペア:

[(1, 28458560), (2, 14229280), (4, 7114640), (5, 5691712), (8, 3557320), (10, 2845856), (13, 2189120), (16, 1778660), (20, 1422928), (26, 1094560), (32, 889330), (40, 711464), (52, 547280), (64, 444665), (65, 437824), (80, 355732), (104, 273640), (130, 218912), (160, 177866), (208, 136820), (260, 109456), (320, 88933), (416, 68410), (520, 54728), (832, 34205), (1040, 27364), (2080, 13682), (4160, 6841)]