40814780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19813}}^1$

素因数の和:19925

約数の個数: 24

約数和(自身を含む): 86547552

約数和(自身を除く): 45732772

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 19813, 39626, 79252, 99065, 198130, 396260, 2040739, 4081478, 8162956, 10203695, 20407390, 40814780]

約数ペア:

[(1, 40814780), (2, 20407390), (4, 10203695), (5, 8162956), (10, 4081478), (20, 2040739), (103, 396260), (206, 198130), (412, 99065), (515, 79252), (1030, 39626), (2060, 19813)]