8217340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3989}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 17428320

約数和(自身を除く): 9210980

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 3989, 7978, 15956, 19945, 39890, 79780, 410867, 821734, 1643468, 2054335, 4108670, 8217340]

約数ペア:

[(1, 8217340), (2, 4108670), (4, 2054335), (5, 1643468), (10, 821734), (20, 410867), (103, 79780), (206, 39890), (412, 19945), (515, 15956), (1030, 7978), (2060, 3989)]