22042840

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1579}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 49770000

約数和(自身を除く): 27727160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1579, 1745, 2792, 3158, 3490, 6316, 6980, 7895, 12632, 13960, 15790, 31580, 63160, 551071, 1102142, 2204284, 2755355, 4408568, 5510710, 11021420, 22042840]

約数ペア:

[(1, 22042840), (2, 11021420), (4, 5510710), (5, 4408568), (8, 2755355), (10, 2204284), (20, 1102142), (40, 551071), (349, 63160), (698, 31580), (1396, 15790), (1579, 13960), (1745, 12632), (2792, 7895), (3158, 6980), (3490, 6316)]