31353760

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1543}}^1$

素因数の和:1685

約数の個数: 48

約数和(自身を含む): 74704896

約数和(自身を除く): 43351136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 1543, 2032, 2540, 3086, 4064, 5080, 6172, 7715, 10160, 12344, 15430, 20320, 24688, 30860, 49376, 61720, 123440, 195961, 246880, 391922, 783844, 979805, 1567688, 1959610, 3135376, 3919220, 6270752, 7838440, 15676880, 31353760]

約数ペア:

[(1, 31353760), (2, 15676880), (4, 7838440), (5, 6270752), (8, 3919220), (10, 3135376), (16, 1959610), (20, 1567688), (32, 979805), (40, 783844), (80, 391922), (127, 246880), (160, 195961), (254, 123440), (508, 61720), (635, 49376), (1016, 30860), (1270, 24688), (1543, 20320), (2032, 15430), (2540, 12344), (3086, 10160), (4064, 7715), (5080, 6172)]