40141220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9887}}^1$

素因数の和:9932

約数の個数: 48

約数和(自身を含む): 99671040

約数和(自身を除く): 59529820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 9887, 19774, 39548, 49435, 69209, 98870, 138418, 197740, 276836, 286723, 346045, 573446, 692090, 1146892, 1384180, 1433615, 2007061, 2867230, 4014122, 5734460, 8028244, 10035305, 20070610, 40141220]

約数ペア:

[(1, 40141220), (2, 20070610), (4, 10035305), (5, 8028244), (7, 5734460), (10, 4014122), (14, 2867230), (20, 2007061), (28, 1433615), (29, 1384180), (35, 1146892), (58, 692090), (70, 573446), (116, 346045), (140, 286723), (145, 276836), (203, 197740), (290, 138418), (406, 98870), (580, 69209), (812, 49435), (1015, 39548), (2030, 19774), (4060, 9887)]