67956440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27851}}^1$

素因数の和:27923

約数の個数: 32

約数和(自身を含む): 155414160

約数和(自身を除く): 87457720

約数列:

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

約数ペア:

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