8915920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8573}}^1$

素因数の和:8599

約数の個数: 40

約数和(自身を含む): 22326696

約数和(自身を除く): 13410776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8573, 17146, 34292, 42865, 68584, 85730, 111449, 137168, 171460, 222898, 342920, 445796, 557245, 685840, 891592, 1114490, 1783184, 2228980, 4457960, 8915920]

約数ペア:

[(1, 8915920), (2, 4457960), (4, 2228980), (5, 1783184), (8, 1114490), (10, 891592), (13, 685840), (16, 557245), (20, 445796), (26, 342920), (40, 222898), (52, 171460), (65, 137168), (80, 111449), (104, 85730), (130, 68584), (208, 42865), (260, 34292), (520, 17146), (1040, 8573)]