28374320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27283}}^1$

素因数の和:27309

約数の個数: 40

約数和(自身を含む): 71047536

約数和(自身を除く): 42673216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27283, 54566, 109132, 136415, 218264, 272830, 354679, 436528, 545660, 709358, 1091320, 1418716, 1773395, 2182640, 2837432, 3546790, 5674864, 7093580, 14187160, 28374320]

約数ペア:

[(1, 28374320), (2, 14187160), (4, 7093580), (5, 5674864), (8, 3546790), (10, 2837432), (13, 2182640), (16, 1773395), (20, 1418716), (26, 1091320), (40, 709358), (52, 545660), (65, 436528), (80, 354679), (104, 272830), (130, 218264), (208, 136415), (260, 109132), (520, 54566), (1040, 27283)]