28603760

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2141}}^1$

素因数の和:2321

約数の個数: 40

約数和(自身を含む): 66933216

約数和(自身を除く): 38329456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2141, 2672, 3340, 4282, 6680, 8564, 10705, 13360, 17128, 21410, 34256, 42820, 85640, 171280, 357547, 715094, 1430188, 1787735, 2860376, 3575470, 5720752, 7150940, 14301880, 28603760]

約数ペア:

[(1, 28603760), (2, 14301880), (4, 7150940), (5, 5720752), (8, 3575470), (10, 2860376), (16, 1787735), (20, 1430188), (40, 715094), (80, 357547), (167, 171280), (334, 85640), (668, 42820), (835, 34256), (1336, 21410), (1670, 17128), (2141, 13360), (2672, 10705), (3340, 8564), (4282, 6680)]