4287520

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 10257408

約数和(自身を除く): 5969888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 211, 254, 422, 508, 635, 844, 1016, 1055, 1270, 1688, 2032, 2110, 2540, 3376, 4064, 4220, 5080, 6752, 8440, 10160, 16880, 20320, 26797, 33760, 53594, 107188, 133985, 214376, 267970, 428752, 535940, 857504, 1071880, 2143760, 4287520]

約数ペア:

[(1, 4287520), (2, 2143760), (4, 1071880), (5, 857504), (8, 535940), (10, 428752), (16, 267970), (20, 214376), (32, 133985), (40, 107188), (80, 53594), (127, 33760), (160, 26797), (211, 20320), (254, 16880), (422, 10160), (508, 8440), (635, 6752), (844, 5080), (1016, 4220), (1055, 4064), (1270, 3376), (1688, 2540), (2032, 2110)]