15917240

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1753}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 35992080

約数和(自身を除く): 20074840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1753, 1816, 2270, 3506, 4540, 7012, 8765, 9080, 14024, 17530, 35060, 70120, 397931, 795862, 1591724, 1989655, 3183448, 3979310, 7958620, 15917240]

約数ペア:

[(1, 15917240), (2, 7958620), (4, 3979310), (5, 3183448), (8, 1989655), (10, 1591724), (20, 795862), (40, 397931), (227, 70120), (454, 35060), (908, 17530), (1135, 14024), (1753, 9080), (1816, 8765), (2270, 7012), (3506, 4540)]