251115080

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{14983}}^1$

素因数の和:15413

約数の個数: 32

約数和(自身を含む): 566395200

約数和(自身を除く): 315280120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 14983, 16760, 29966, 59932, 74915, 119864, 149830, 299660, 599320, 6277877, 12555754, 25111508, 31389385, 50223016, 62778770, 125557540, 251115080]

約数ペア:

[(1, 251115080), (2, 125557540), (4, 62778770), (5, 50223016), (8, 31389385), (10, 25111508), (20, 12555754), (40, 6277877), (419, 599320), (838, 299660), (1676, 149830), (2095, 119864), (3352, 74915), (4190, 59932), (8380, 29966), (14983, 16760)]