1438280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 3318840

約数和(自身を除く): 1880560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 877, 1640, 1754, 3508, 4385, 7016, 8770, 17540, 35080, 35957, 71914, 143828, 179785, 287656, 359570, 719140, 1438280]

約数ペア:

[(1, 1438280), (2, 719140), (4, 359570), (5, 287656), (8, 179785), (10, 143828), (20, 71914), (40, 35957), (41, 35080), (82, 17540), (164, 8770), (205, 7016), (328, 4385), (410, 3508), (820, 1754), (877, 1640)]