84317140

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6577}}^1$

素因数の和:7227

約数の個数: 24

約数和(自身を含む): 177369192

約数和(自身を除く): 93052052

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 6577, 12820, 13154, 26308, 32885, 65770, 131540, 4215857, 8431714, 16863428, 21079285, 42158570, 84317140]

約数ペア:

[(1, 84317140), (2, 42158570), (4, 21079285), (5, 16863428), (10, 8431714), (20, 4215857), (641, 131540), (1282, 65770), (2564, 32885), (3205, 26308), (6410, 13154), (6577, 12820)]