320410840

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{63073}}^1$

素因数の和:63211

約数の個数: 32

約数和(自身を含む): 726612480

約数和(自身を除く): 406201640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 63073, 126146, 252292, 315365, 504584, 630730, 1261460, 2522920, 8010271, 16020542, 32041084, 40051355, 64082168, 80102710, 160205420, 320410840]

約数ペア:

[(1, 320410840), (2, 160205420), (4, 80102710), (5, 64082168), (8, 40051355), (10, 32041084), (20, 16020542), (40, 8010271), (127, 2522920), (254, 1261460), (508, 630730), (635, 504584), (1016, 315365), (1270, 252292), (2540, 126146), (5080, 63073)]