3987260

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2731}}^1$

素因数の和:2813

約数の個数: 24

約数和(自身を含む): 8491056

約数和(自身を除く): 4503796

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 2731, 5462, 10924, 13655, 27310, 54620, 199363, 398726, 797452, 996815, 1993630, 3987260]

約数ペア:

[(1, 3987260), (2, 1993630), (4, 996815), (5, 797452), (10, 398726), (20, 199363), (73, 54620), (146, 27310), (292, 13655), (365, 10924), (730, 5462), (1460, 2731)]