157566520

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{11287}}^1$

素因数の和:11647

約数の個数: 32

約数和(自身を含む): 355572000

約数和(自身を除く): 198005480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 11287, 13960, 22574, 45148, 56435, 90296, 112870, 225740, 451480, 3939163, 7878326, 15756652, 19695815, 31513304, 39391630, 78783260, 157566520]

約数ペア:

[(1, 157566520), (2, 78783260), (4, 39391630), (5, 31513304), (8, 19695815), (10, 15756652), (20, 7878326), (40, 3939163), (349, 451480), (698, 225740), (1396, 112870), (1745, 90296), (2792, 56435), (3490, 45148), (6980, 22574), (11287, 13960)]