8472880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8147}}^1$

素因数の和:8173

約数の個数: 40

約数和(自身を含む): 21217392

約数和(自身を除く): 12744512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8147, 16294, 32588, 40735, 65176, 81470, 105911, 130352, 162940, 211822, 325880, 423644, 529555, 651760, 847288, 1059110, 1694576, 2118220, 4236440, 8472880]

約数ペア:

[(1, 8472880), (2, 4236440), (4, 2118220), (5, 1694576), (8, 1059110), (10, 847288), (13, 651760), (16, 529555), (20, 423644), (26, 325880), (40, 211822), (52, 162940), (65, 130352), (80, 105911), (104, 81470), (130, 65176), (208, 40735), (260, 32588), (520, 16294), (1040, 8147)]