28850320

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2297}}^1$

素因数の和:2467

約数の個数: 40

約数和(自身を含む): 67533624

約数和(自身を除く): 38683304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2297, 2512, 3140, 4594, 6280, 9188, 11485, 12560, 18376, 22970, 36752, 45940, 91880, 183760, 360629, 721258, 1442516, 1803145, 2885032, 3606290, 5770064, 7212580, 14425160, 28850320]

約数ペア:

[(1, 28850320), (2, 14425160), (4, 7212580), (5, 5770064), (8, 3606290), (10, 2885032), (16, 1803145), (20, 1442516), (40, 721258), (80, 360629), (157, 183760), (314, 91880), (628, 45940), (785, 36752), (1256, 22970), (1570, 18376), (2297, 12560), (2512, 11485), (3140, 9188), (4594, 6280)]