165750920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{58363}}^1$

素因数の和:58445

約数の個数: 32

約数和(自身を含む): 378198720

約数和(自身を除く): 212447800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 58363, 116726, 233452, 291815, 466904, 583630, 1167260, 2334520, 4143773, 8287546, 16575092, 20718865, 33150184, 41437730, 82875460, 165750920]

約数ペア:

[(1, 165750920), (2, 82875460), (4, 41437730), (5, 33150184), (8, 20718865), (10, 16575092), (20, 8287546), (40, 4143773), (71, 2334520), (142, 1167260), (284, 583630), (355, 466904), (568, 291815), (710, 233452), (1420, 116726), (2840, 58363)]