1078580

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 2284800

約数和(自身を除く): 1206220

約数列:

[1, 2, 4, 5, 10, 20, 199, 271, 398, 542, 796, 995, 1084, 1355, 1990, 2710, 3980, 5420, 53929, 107858, 215716, 269645, 539290, 1078580]

約数ペア:

[(1, 1078580), (2, 539290), (4, 269645), (5, 215716), (10, 107858), (20, 53929), (199, 5420), (271, 3980), (398, 2710), (542, 1990), (796, 1355), (995, 1084)]