86075120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9871}}^1$

素因数の和:9993

約数の個数: 40

約数和(自身を含む): 201981120

約数和(自身を除く): 115906000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 9871, 19742, 39484, 49355, 78968, 98710, 157936, 197420, 394840, 789680, 1075939, 2151878, 4303756, 5379695, 8607512, 10759390, 17215024, 21518780, 43037560, 86075120]

約数ペア:

[(1, 86075120), (2, 43037560), (4, 21518780), (5, 17215024), (8, 10759390), (10, 8607512), (16, 5379695), (20, 4303756), (40, 2151878), (80, 1075939), (109, 789680), (218, 394840), (436, 197420), (545, 157936), (872, 98710), (1090, 78968), (1744, 49355), (2180, 39484), (4360, 19742), (8720, 9871)]