2143760

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 40

約数和(自身を含む): 5047296

約数和(自身を除く): 2903536

約数列:

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

約数ペア:

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