156955280

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9859}}^1$

素因数の和:10071

約数の個数: 40

約数和(自身を含む): 366792000

約数和(自身を除く): 209836720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 9859, 15920, 19718, 39436, 49295, 78872, 98590, 157744, 197180, 394360, 788720, 1961941, 3923882, 7847764, 9809705, 15695528, 19619410, 31391056, 39238820, 78477640, 156955280]

約数ペア:

[(1, 156955280), (2, 78477640), (4, 39238820), (5, 31391056), (8, 19619410), (10, 15695528), (16, 9809705), (20, 7847764), (40, 3923882), (80, 1961941), (199, 788720), (398, 394360), (796, 197180), (995, 157744), (1592, 98590), (1990, 78872), (3184, 49295), (3980, 39436), (7960, 19718), (9859, 15920)]