82805840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79621}}^1$

素因数の和:79647

約数の個数: 40

約数和(自身を含む): 207335688

約数和(自身を除く): 124529848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 79621, 159242, 318484, 398105, 636968, 796210, 1035073, 1273936, 1592420, 2070146, 3184840, 4140292, 5175365, 6369680, 8280584, 10350730, 16561168, 20701460, 41402920, 82805840]

約数ペア:

[(1, 82805840), (2, 41402920), (4, 20701460), (5, 16561168), (8, 10350730), (10, 8280584), (13, 6369680), (16, 5175365), (20, 4140292), (26, 3184840), (40, 2070146), (52, 1592420), (65, 1273936), (80, 1035073), (104, 796210), (130, 636968), (208, 398105), (260, 318484), (520, 159242), (1040, 79621)]