2040342820

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1\times {\mathrm{547}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 4312461888

約数和(自身を除く): 2272119068

約数列:

[1, 2, 4, 5, 10, 20, 421, 443, 547, 842, 886, 1094, 1684, 1772, 2105, 2188, 2215, 2735, 4210, 4430, 5470, 8420, 8860, 10940, 186503, 230287, 242321, 373006, 460574, 484642, 746012, 921148, 932515, 969284, 1151435, 1211605, 1865030, 2302870, 2423210, 3730060, 4605740, 4846420, 102017141, 204034282, 408068564, 510085705, 1020171410, 2040342820]

約数ペア:

[(1, 2040342820), (2, 1020171410), (4, 510085705), (5, 408068564), (10, 204034282), (20, 102017141), (421, 4846420), (443, 4605740), (547, 3730060), (842, 2423210), (886, 2302870), (1094, 1865030), (1684, 1211605), (1772, 1151435), (2105, 969284), (2188, 932515), (2215, 921148), (2735, 746012), (4210, 484642), (4430, 460574), (5470, 373006), (8420, 242321), (8860, 230287), (10940, 186503)]