42671320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9787}}^1$

素因数の和:9907

約数の個数: 32

約数和(自身を含む): 96901200

約数和(自身を除く): 54229880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9787, 19574, 39148, 48935, 78296, 97870, 195740, 391480, 1066783, 2133566, 4267132, 5333915, 8534264, 10667830, 21335660, 42671320]

約数ペア:

[(1, 42671320), (2, 21335660), (4, 10667830), (5, 8534264), (8, 5333915), (10, 4267132), (20, 2133566), (40, 1066783), (109, 391480), (218, 195740), (436, 97870), (545, 78296), (872, 48935), (1090, 39148), (2180, 19574), (4360, 9787)]