16843669160

素因数分解:

$2^3\times 5^1\times {\mathrm{6551}}^1\times {\mathrm{64279}}^1$

素因数の和:70841

約数の個数: 32

約数和(自身を含む): 37904630400

約数和(自身を除く): 21060961240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6551, 13102, 26204, 32755, 52408, 64279, 65510, 128558, 131020, 257116, 262040, 321395, 514232, 642790, 1285580, 2571160, 421091729, 842183458, 1684366916, 2105458645, 3368733832, 4210917290, 8421834580, 16843669160]

約数ペア:

[(1, 16843669160), (2, 8421834580), (4, 4210917290), (5, 3368733832), (8, 2105458645), (10, 1684366916), (20, 842183458), (40, 421091729), (6551, 2571160), (13102, 1285580), (26204, 642790), (32755, 514232), (52408, 321395), (64279, 262040), (65510, 257116), (128558, 131020)]