15918440

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2383}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 36046080

約数和(自身を除く): 20127640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 2383, 3340, 4766, 6680, 9532, 11915, 19064, 23830, 47660, 95320, 397961, 795922, 1591844, 1989805, 3183688, 3979610, 7959220, 15918440]

約数ペア:

[(1, 15918440), (2, 7959220), (4, 3979610), (5, 3183688), (8, 1989805), (10, 1591844), (20, 795922), (40, 397961), (167, 95320), (334, 47660), (668, 23830), (835, 19064), (1336, 11915), (1670, 9532), (2383, 6680), (3340, 4766)]