80290340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308809}}^1$

素因数の和:308831

約数の個数: 24

約数和(自身を含む): 181580280

約数和(自身を除く): 101289940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 308809, 617618, 1235236, 1544045, 3088090, 4014517, 6176180, 8029034, 16058068, 20072585, 40145170, 80290340]

約数ペア:

[(1, 80290340), (2, 40145170), (4, 20072585), (5, 16058068), (10, 8029034), (13, 6176180), (20, 4014517), (26, 3088090), (52, 1544045), (65, 1235236), (130, 617618), (260, 308809)]