4307320

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 9752400

約数和(自身を除く): 5445080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 419, 514, 838, 1028, 1285, 1676, 2056, 2095, 2570, 3352, 4190, 5140, 8380, 10280, 16760, 107683, 215366, 430732, 538415, 861464, 1076830, 2153660, 4307320]

約数ペア:

[(1, 4307320), (2, 2153660), (4, 1076830), (5, 861464), (8, 538415), (10, 430732), (20, 215366), (40, 107683), (257, 16760), (419, 10280), (514, 8380), (838, 5140), (1028, 4190), (1285, 3352), (1676, 2570), (2056, 2095)]