47861720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 112367520

約数和(自身を除く): 64505800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 73, 74, 146, 148, 185, 292, 296, 365, 370, 443, 584, 730, 740, 886, 1460, 1480, 1772, 2215, 2701, 2920, 3544, 4430, 5402, 8860, 10804, 13505, 16391, 17720, 21608, 27010, 32339, 32782, 54020, 64678, 65564, 81955, 108040, 129356, 131128, 161695, 163910, 258712, 323390, 327820, 646780, 655640, 1196543, 1293560, 2393086, 4786172, 5982715, 9572344, 11965430, 23930860, 47861720]

約数ペア:

[(1, 47861720), (2, 23930860), (4, 11965430), (5, 9572344), (8, 5982715), (10, 4786172), (20, 2393086), (37, 1293560), (40, 1196543), (73, 655640), (74, 646780), (146, 327820), (148, 323390), (185, 258712), (292, 163910), (296, 161695), (365, 131128), (370, 129356), (443, 108040), (584, 81955), (730, 65564), (740, 64678), (886, 54020), (1460, 32782), (1480, 32339), (1772, 27010), (2215, 21608), (2701, 17720), (2920, 16391), (3544, 13505), (4430, 10804), (5402, 8860)]