135912880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27851}}^1$

素因数の和:27925

約数の個数: 40

約数和(自身を含む): 321189264

約数和(自身を除く): 185276384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 27851, 55702, 111404, 139255, 222808, 278510, 445616, 557020, 1114040, 1698911, 2228080, 3397822, 6795644, 8494555, 13591288, 16989110, 27182576, 33978220, 67956440, 135912880]

約数ペア:

[(1, 135912880), (2, 67956440), (4, 33978220), (5, 27182576), (8, 16989110), (10, 13591288), (16, 8494555), (20, 6795644), (40, 3397822), (61, 2228080), (80, 1698911), (122, 1114040), (244, 557020), (305, 445616), (488, 278510), (610, 222808), (976, 139255), (1220, 111404), (2440, 55702), (4880, 27851)]