86706980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{17989}}^1$

素因数の和:18239

約数の個数: 24

約数和(自身を含む): 182850360

約数和(自身を除く): 96143380

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 17989, 35978, 71956, 89945, 179890, 359780, 4335349, 8670698, 17341396, 21676745, 43353490, 86706980]

約数ペア:

[(1, 86706980), (2, 43353490), (4, 21676745), (5, 17341396), (10, 8670698), (20, 4335349), (241, 359780), (482, 179890), (964, 89945), (1205, 71956), (2410, 35978), (4820, 17989)]