2813960

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{683}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 6402240

約数和(自身を除く): 3588280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 683, 824, 1030, 1366, 2060, 2732, 3415, 4120, 5464, 6830, 13660, 27320, 70349, 140698, 281396, 351745, 562792, 703490, 1406980, 2813960]

約数ペア:

[(1, 2813960), (2, 1406980), (4, 703490), (5, 562792), (8, 351745), (10, 281396), (20, 140698), (40, 70349), (103, 27320), (206, 13660), (412, 6830), (515, 5464), (683, 4120), (824, 3415), (1030, 2732), (1366, 2060)]