201860920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{117361}}^1$

素因数の和:117415

約数の個数: 32

約数和(自身を含む): 464753520

約数和(自身を除く): 262892600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 117361, 234722, 469444, 586805, 938888, 1173610, 2347220, 4694440, 5046523, 10093046, 20186092, 25232615, 40372184, 50465230, 100930460, 201860920]

約数ペア:

[(1, 201860920), (2, 100930460), (4, 50465230), (5, 40372184), (8, 25232615), (10, 20186092), (20, 10093046), (40, 5046523), (43, 4694440), (86, 2347220), (172, 1173610), (215, 938888), (344, 586805), (430, 469444), (860, 234722), (1720, 117361)]