65491640

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{7027}}^1$

素因数の和:7271

約数の個数: 32

約数和(自身を含む): 148009680

約数和(自身を除く): 82518040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 7027, 9320, 14054, 28108, 35135, 56216, 70270, 140540, 281080, 1637291, 3274582, 6549164, 8186455, 13098328, 16372910, 32745820, 65491640]

約数ペア:

[(1, 65491640), (2, 32745820), (4, 16372910), (5, 13098328), (8, 8186455), (10, 6549164), (20, 3274582), (40, 1637291), (233, 281080), (466, 140540), (932, 70270), (1165, 56216), (1864, 35135), (2330, 28108), (4660, 14054), (7027, 9320)]