64659680

素因数分解:

$2^5\times 5^1\times {\mathrm{404123}}^1$

素因数の和:404138

約数の個数: 24

約数和(自身を含む): 152758872

約数和(自身を除く): 88099192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 404123, 808246, 1616492, 2020615, 3232984, 4041230, 6465968, 8082460, 12931936, 16164920, 32329840, 64659680]

約数ペア:

[(1, 64659680), (2, 32329840), (4, 16164920), (5, 12931936), (8, 8082460), (10, 6465968), (16, 4041230), (20, 3232984), (32, 2020615), (40, 1616492), (80, 808246), (160, 404123)]