2142320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 40

約数和(自身を含む): 5074080

約数和(自身を除く): 2931760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 439, 488, 610, 878, 976, 1220, 1756, 2195, 2440, 3512, 4390, 4880, 7024, 8780, 17560, 26779, 35120, 53558, 107116, 133895, 214232, 267790, 428464, 535580, 1071160, 2142320]

約数ペア:

[(1, 2142320), (2, 1071160), (4, 535580), (5, 428464), (8, 267790), (10, 214232), (16, 133895), (20, 107116), (40, 53558), (61, 35120), (80, 26779), (122, 17560), (244, 8780), (305, 7024), (439, 4880), (488, 4390), (610, 3512), (878, 2440), (976, 2195), (1220, 1756)]