40431620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1033}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 90330240

約数和(自身を除く): 49898620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1033, 1957, 2060, 2066, 3914, 4132, 5165, 7828, 9785, 10330, 19570, 19627, 20660, 39140, 39254, 78508, 98135, 106399, 196270, 212798, 392540, 425596, 531995, 1063990, 2021581, 2127980, 4043162, 8086324, 10107905, 20215810, 40431620]

約数ペア:

[(1, 40431620), (2, 20215810), (4, 10107905), (5, 8086324), (10, 4043162), (19, 2127980), (20, 2021581), (38, 1063990), (76, 531995), (95, 425596), (103, 392540), (190, 212798), (206, 196270), (380, 106399), (412, 98135), (515, 78508), (1030, 39254), (1033, 39140), (1957, 20660), (2060, 19627), (2066, 19570), (3914, 10330), (4132, 9785), (5165, 7828)]