17229280

素因数分解:

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

素因数の和:691

約数の個数: 48

約数和(自身を含む): 40960080

約数和(自身を除く): 23730800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 419, 514, 838, 1028, 1285, 1676, 2056, 2095, 2570, 3352, 4112, 4190, 5140, 6704, 8224, 8380, 10280, 13408, 16760, 20560, 33520, 41120, 67040, 107683, 215366, 430732, 538415, 861464, 1076830, 1722928, 2153660, 3445856, 4307320, 8614640, 17229280]

約数ペア:

[(1, 17229280), (2, 8614640), (4, 4307320), (5, 3445856), (8, 2153660), (10, 1722928), (16, 1076830), (20, 861464), (32, 538415), (40, 430732), (80, 215366), (160, 107683), (257, 67040), (419, 41120), (514, 33520), (838, 20560), (1028, 16760), (1285, 13408), (1676, 10280), (2056, 8380), (2095, 8224), (2570, 6704), (3352, 5140), (4112, 4190)]