28798460

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1453}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 60579456

約数和(自身を除く): 31780996

約数列:

[1, 2, 4, 5, 10, 20, 991, 1453, 1982, 2906, 3964, 4955, 5812, 7265, 9910, 14530, 19820, 29060, 1439923, 2879846, 5759692, 7199615, 14399230, 28798460]

約数ペア:

[(1, 28798460), (2, 14399230), (4, 7199615), (5, 5759692), (10, 2879846), (20, 1439923), (991, 29060), (1453, 19820), (1982, 14530), (2906, 9910), (3964, 7265), (4955, 5812)]