31953160

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1399}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 72072000

約数和(自身を除く): 40118840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 1399, 2284, 2798, 2855, 4568, 5596, 5710, 6995, 11192, 11420, 13990, 22840, 27980, 55960, 798829, 1597658, 3195316, 3994145, 6390632, 7988290, 15976580, 31953160]

約数ペア:

[(1, 31953160), (2, 15976580), (4, 7988290), (5, 6390632), (8, 3994145), (10, 3195316), (20, 1597658), (40, 798829), (571, 55960), (1142, 27980), (1399, 22840), (2284, 13990), (2798, 11420), (2855, 11192), (4568, 6995), (5596, 5710)]