828211880

素因数分解:

$2^3\times 5^1\times {\mathrm{3557}}^1\times {\mathrm{5821}}^1$

素因数の和:9389

約数の個数: 32

約数和(自身を含む): 1864320840

約数和(自身を除く): 1036108960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3557, 5821, 7114, 11642, 14228, 17785, 23284, 28456, 29105, 35570, 46568, 58210, 71140, 116420, 142280, 232840, 20705297, 41410594, 82821188, 103526485, 165642376, 207052970, 414105940, 828211880]

約数ペア:

[(1, 828211880), (2, 414105940), (4, 207052970), (5, 165642376), (8, 103526485), (10, 82821188), (20, 41410594), (40, 20705297), (3557, 232840), (5821, 142280), (7114, 116420), (11642, 71140), (14228, 58210), (17785, 46568), (23284, 35570), (28456, 29105)]