2018478520

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{38609}}^1$

素因数の和:39927

約数の個数: 32

約数和(自身を含む): 4545169200

約数和(自身を除く): 2526690680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 2614, 5228, 6535, 10456, 13070, 26140, 38609, 52280, 77218, 154436, 193045, 308872, 386090, 772180, 1544360, 50461963, 100923926, 201847852, 252309815, 403695704, 504619630, 1009239260, 2018478520]

約数ペア:

[(1, 2018478520), (2, 1009239260), (4, 504619630), (5, 403695704), (8, 252309815), (10, 201847852), (20, 100923926), (40, 50461963), (1307, 1544360), (2614, 772180), (5228, 386090), (6535, 308872), (10456, 193045), (13070, 154436), (26140, 77218), (38609, 52280)]