8209240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15787}}^1$

素因数の和:15811

約数の個数: 32

約数和(自身を含む): 19892880

約数和(自身を除く): 11683640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15787, 31574, 63148, 78935, 126296, 157870, 205231, 315740, 410462, 631480, 820924, 1026155, 1641848, 2052310, 4104620, 8209240]

約数ペア:

[(1, 8209240), (2, 4104620), (4, 2052310), (5, 1641848), (8, 1026155), (10, 820924), (13, 631480), (20, 410462), (26, 315740), (40, 205231), (52, 157870), (65, 126296), (104, 78935), (130, 63148), (260, 31574), (520, 15787)]