1337665880

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{79813}}^1$

素因数の和:80243

約数の個数: 32

約数和(自身を含む): 3016969200

約数和(自身を除く): 1679303320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 79813, 159626, 319252, 399065, 638504, 798130, 1596260, 3192520, 33441647, 66883294, 133766588, 167208235, 267533176, 334416470, 668832940, 1337665880]

約数ペア:

[(1, 1337665880), (2, 668832940), (4, 334416470), (5, 267533176), (8, 167208235), (10, 133766588), (20, 66883294), (40, 33441647), (419, 3192520), (838, 1596260), (1676, 798130), (2095, 638504), (3352, 399065), (4190, 319252), (8380, 159626), (16760, 79813)]