4165240

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 9473760

約数和(自身を除く): 5308520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1031, 2020, 2062, 4040, 4124, 5155, 8248, 10310, 20620, 41240, 104131, 208262, 416524, 520655, 833048, 1041310, 2082620, 4165240]

約数ペア:

[(1, 4165240), (2, 2082620), (4, 1041310), (5, 833048), (8, 520655), (10, 416524), (20, 208262), (40, 104131), (101, 41240), (202, 20620), (404, 10310), (505, 8248), (808, 5155), (1010, 4124), (1031, 4040), (2020, 2062)]