51125320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 122135040

約数和(自身を除く): 71009720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 911, 920, 1220, 1403, 1822, 2440, 2806, 3644, 4555, 5612, 7015, 7288, 9110, 11224, 14030, 18220, 20953, 28060, 36440, 41906, 55571, 56120, 83812, 104765, 111142, 167624, 209530, 222284, 277855, 419060, 444568, 555710, 838120, 1111420, 1278133, 2222840, 2556266, 5112532, 6390665, 10225064, 12781330, 25562660, 51125320]

約数ペア:

[(1, 51125320), (2, 25562660), (4, 12781330), (5, 10225064), (8, 6390665), (10, 5112532), (20, 2556266), (23, 2222840), (40, 1278133), (46, 1111420), (61, 838120), (92, 555710), (115, 444568), (122, 419060), (184, 277855), (230, 222284), (244, 209530), (305, 167624), (460, 111142), (488, 104765), (610, 83812), (911, 56120), (920, 55571), (1220, 41906), (1403, 36440), (1822, 28060), (2440, 20953), (2806, 18220), (3644, 14030), (4555, 11224), (5612, 9110), (7015, 7288)]