13408093240

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1077821}}^1$

素因数の和:1078143

約数の個数: 32

約数和(自身を含む): 30265241760

約数和(自身を除く): 16857148520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 1077821, 2155642, 4311284, 5389105, 8622568, 10778210, 21556420, 43112840, 335202331, 670404662, 1340809324, 1676011655, 2681618648, 3352023310, 6704046620, 13408093240]

約数ペア:

[(1, 13408093240), (2, 6704046620), (4, 3352023310), (5, 2681618648), (8, 1676011655), (10, 1340809324), (20, 670404662), (40, 335202331), (311, 43112840), (622, 21556420), (1244, 10778210), (1555, 8622568), (2488, 5389105), (3110, 4311284), (6220, 2155642), (12440, 1077821)]