128001260

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{13883}}^1$

素因数の和:14353

約数の個数: 24

約数和(自身を含む): 269405136

約数和(自身を除く): 141403876

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 13883, 27766, 55532, 69415, 138830, 277660, 6400063, 12800126, 25600252, 32000315, 64000630, 128001260]

約数ペア:

[(1, 128001260), (2, 64000630), (4, 32000315), (5, 25600252), (10, 12800126), (20, 6400063), (461, 277660), (922, 138830), (1844, 69415), (2305, 55532), (4610, 27766), (9220, 13883)]