66611920

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4813}}^1$

素因数の和:4999

約数の個数: 40

約数和(自身を含む): 155800296

約数和(自身を除く): 89188376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 4813, 6920, 9626, 13840, 19252, 24065, 38504, 48130, 77008, 96260, 192520, 385040, 832649, 1665298, 3330596, 4163245, 6661192, 8326490, 13322384, 16652980, 33305960, 66611920]

約数ペア:

[(1, 66611920), (2, 33305960), (4, 16652980), (5, 13322384), (8, 8326490), (10, 6661192), (16, 4163245), (20, 3330596), (40, 1665298), (80, 832649), (173, 385040), (346, 192520), (692, 96260), (865, 77008), (1384, 48130), (1730, 38504), (2768, 24065), (3460, 19252), (4813, 13840), (6920, 9626)]