15955880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{10781}}^1$

素因数の和:10829

約数の個数: 32

約数和(自身を含む): 36874440

約数和(自身を除く): 20918560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 10781, 21562, 43124, 53905, 86248, 107810, 215620, 398897, 431240, 797794, 1595588, 1994485, 3191176, 3988970, 7977940, 15955880]

約数ペア:

[(1, 15955880), (2, 7977940), (4, 3988970), (5, 3191176), (8, 1994485), (10, 1595588), (20, 797794), (37, 431240), (40, 398897), (74, 215620), (148, 107810), (185, 86248), (296, 53905), (370, 43124), (740, 21562), (1480, 10781)]