15555590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1516

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 14304250

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1439, 2162, 2878, 5405, 7195, 10810, 14390, 33097, 66194, 67633, 135266, 165485, 330970, 338165, 676330, 1555559, 3111118, 7777795, 15555590]

約数ペア:

[(1, 15555590), (2, 7777795), (5, 3111118), (10, 1555559), (23, 676330), (46, 338165), (47, 330970), (94, 165485), (115, 135266), (230, 67633), (235, 66194), (470, 33097), (1081, 14390), (1439, 10810), (2162, 7195), (2878, 5405)]