89487760

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2657}}^1$

素因数の和:3091

約数の個数: 40

約数和(自身を含む): 208631736

約数和(自身を除く): 119143976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 2657, 3368, 4210, 5314, 6736, 8420, 10628, 13285, 16840, 21256, 26570, 33680, 42512, 53140, 106280, 212560, 1118597, 2237194, 4474388, 5592985, 8948776, 11185970, 17897552, 22371940, 44743880, 89487760]

約数ペア:

[(1, 89487760), (2, 44743880), (4, 22371940), (5, 17897552), (8, 11185970), (10, 8948776), (16, 5592985), (20, 4474388), (40, 2237194), (80, 1118597), (421, 212560), (842, 106280), (1684, 53140), (2105, 42512), (2657, 33680), (3368, 26570), (4210, 21256), (5314, 16840), (6736, 13285), (8420, 10628)]