66430940

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{21997}}^1$

素因数の和:22157

約数の個数: 24

約数和(自身を含む): 140435232

約数和(自身を除く): 74004292

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 21997, 43994, 87988, 109985, 219970, 439940, 3321547, 6643094, 13286188, 16607735, 33215470, 66430940]

約数ペア:

[(1, 66430940), (2, 33215470), (4, 16607735), (5, 13286188), (10, 6643094), (20, 3321547), (151, 439940), (302, 219970), (604, 109985), (755, 87988), (1510, 43994), (3020, 21997)]