634004080

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{17191}}^1$

素因数の和:17665

約数の個数: 40

約数和(自身を含む): 1477342944

約数和(自身を除く): 843338864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3688, 4610, 7376, 9220, 17191, 18440, 34382, 36880, 68764, 85955, 137528, 171910, 275056, 343820, 687640, 1375280, 7925051, 15850102, 31700204, 39625255, 63400408, 79250510, 126800816, 158501020, 317002040, 634004080]

約数ペア:

[(1, 634004080), (2, 317002040), (4, 158501020), (5, 126800816), (8, 79250510), (10, 63400408), (16, 39625255), (20, 31700204), (40, 15850102), (80, 7925051), (461, 1375280), (922, 687640), (1844, 343820), (2305, 275056), (3688, 171910), (4610, 137528), (7376, 85955), (9220, 68764), (17191, 36880), (18440, 34382)]