12220720

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{883}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 28609776

約数和(自身を除く): 16389056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 883, 1384, 1730, 1766, 2768, 3460, 3532, 4415, 6920, 7064, 8830, 13840, 14128, 17660, 35320, 70640, 152759, 305518, 611036, 763795, 1222072, 1527590, 2444144, 3055180, 6110360, 12220720]

約数ペア:

[(1, 12220720), (2, 6110360), (4, 3055180), (5, 2444144), (8, 1527590), (10, 1222072), (16, 763795), (20, 611036), (40, 305518), (80, 152759), (173, 70640), (346, 35320), (692, 17660), (865, 14128), (883, 13840), (1384, 8830), (1730, 7064), (1766, 6920), (2768, 4415), (3460, 3532)]