642722260

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{33721}}^1$

素因数の和:34683

約数の個数: 24

約数和(自身を含む): 1351173096

約数和(自身を除く): 708450836

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 3812, 4765, 9530, 19060, 33721, 67442, 134884, 168605, 337210, 674420, 32136113, 64272226, 128544452, 160680565, 321361130, 642722260]

約数ペア:

[(1, 642722260), (2, 321361130), (4, 160680565), (5, 128544452), (10, 64272226), (20, 32136113), (953, 674420), (1906, 337210), (3812, 168605), (4765, 134884), (9530, 67442), (19060, 33721)]