28365320

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1229}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 63984600

約数和(自身を除く): 35619280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 1154, 1229, 2308, 2458, 2885, 4616, 4916, 5770, 6145, 9832, 11540, 12290, 23080, 24580, 49160, 709133, 1418266, 2836532, 3545665, 5673064, 7091330, 14182660, 28365320]

約数ペア:

[(1, 28365320), (2, 14182660), (4, 7091330), (5, 5673064), (8, 3545665), (10, 2836532), (20, 1418266), (40, 709133), (577, 49160), (1154, 24580), (1229, 23080), (2308, 12290), (2458, 11540), (2885, 9832), (4616, 6145), (4916, 5770)]