64966640

素因数分解:

$2^4\times 5^1\times {\mathrm{863}}^1\times {\mathrm{941}}^1$

素因数の和:1817

約数の個数: 40

約数和(自身を含む): 151383168

約数和(自身を除く): 86416528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 863, 941, 1726, 1882, 3452, 3764, 4315, 4705, 6904, 7528, 8630, 9410, 13808, 15056, 17260, 18820, 34520, 37640, 69040, 75280, 812083, 1624166, 3248332, 4060415, 6496664, 8120830, 12993328, 16241660, 32483320, 64966640]

約数ペア:

[(1, 64966640), (2, 32483320), (4, 16241660), (5, 12993328), (8, 8120830), (10, 6496664), (16, 4060415), (20, 3248332), (40, 1624166), (80, 812083), (863, 75280), (941, 69040), (1726, 37640), (1882, 34520), (3452, 18820), (3764, 17260), (4315, 15056), (4705, 13808), (6904, 9410), (7528, 8630)]