28360480

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1$

素因数の和:1301

約数の個数: 48

約数和(自身を含む): 67488120

約数和(自身を除く): 39127640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1129, 1256, 1570, 2258, 2512, 3140, 4516, 5024, 5645, 6280, 9032, 11290, 12560, 18064, 22580, 25120, 36128, 45160, 90320, 177253, 180640, 354506, 709012, 886265, 1418024, 1772530, 2836048, 3545060, 5672096, 7090120, 14180240, 28360480]

約数ペア:

[(1, 28360480), (2, 14180240), (4, 7090120), (5, 5672096), (8, 3545060), (10, 2836048), (16, 1772530), (20, 1418024), (32, 886265), (40, 709012), (80, 354506), (157, 180640), (160, 177253), (314, 90320), (628, 45160), (785, 36128), (1129, 25120), (1256, 22580), (1570, 18064), (2258, 12560), (2512, 11290), (3140, 9032), (4516, 6280), (5024, 5645)]