2157160

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 4896000

約数和(自身を除く): 2738840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 271, 398, 542, 796, 995, 1084, 1355, 1592, 1990, 2168, 2710, 3980, 5420, 7960, 10840, 53929, 107858, 215716, 269645, 431432, 539290, 1078580, 2157160]

約数ペア:

[(1, 2157160), (2, 1078580), (4, 539290), (5, 431432), (8, 269645), (10, 215716), (20, 107858), (40, 53929), (199, 10840), (271, 7960), (398, 5420), (542, 3980), (796, 2710), (995, 2168), (1084, 1990), (1355, 1592)]