11807560

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1399}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 26712000

約数和(自身を除く): 14904440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1399, 1688, 2110, 2798, 4220, 5596, 6995, 8440, 11192, 13990, 27980, 55960, 295189, 590378, 1180756, 1475945, 2361512, 2951890, 5903780, 11807560]

約数ペア:

[(1, 11807560), (2, 5903780), (4, 2951890), (5, 2361512), (8, 1475945), (10, 1180756), (20, 590378), (40, 295189), (211, 55960), (422, 27980), (844, 13990), (1055, 11192), (1399, 8440), (1688, 6995), (2110, 5596), (2798, 4220)]