65410640

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9851}}^1$

素因数の和:9947

約数の個数: 40

約数和(自身を含む): 153927648

約数和(自身を除く): 88517008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 9851, 19702, 39404, 49255, 78808, 98510, 157616, 197020, 394040, 788080, 817633, 1635266, 3270532, 4088165, 6541064, 8176330, 13082128, 16352660, 32705320, 65410640]

約数ペア:

[(1, 65410640), (2, 32705320), (4, 16352660), (5, 13082128), (8, 8176330), (10, 6541064), (16, 4088165), (20, 3270532), (40, 1635266), (80, 817633), (83, 788080), (166, 394040), (332, 197020), (415, 157616), (664, 98510), (830, 78808), (1328, 49255), (1660, 39404), (3320, 19702), (6640, 9851)]