82491760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79319}}^1$

素因数の和:79345

約数の個数: 40

約数和(自身を含む): 206549280

約数和(自身を除く): 124057520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 79319, 158638, 317276, 396595, 634552, 793190, 1031147, 1269104, 1586380, 2062294, 3172760, 4124588, 5155735, 6345520, 8249176, 10311470, 16498352, 20622940, 41245880, 82491760]

約数ペア:

[(1, 82491760), (2, 41245880), (4, 20622940), (5, 16498352), (8, 10311470), (10, 8249176), (13, 6345520), (16, 5155735), (20, 4124588), (26, 3172760), (40, 2062294), (52, 1586380), (65, 1269104), (80, 1031147), (104, 793190), (130, 634552), (208, 396595), (260, 317276), (520, 158638), (1040, 79319)]