40287910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 81164160

約数和(自身を除く): 40876250

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 769, 806, 845, 1538, 1690, 2015, 3845, 4030, 5239, 7690, 9997, 10478, 19994, 23839, 26195, 47678, 49985, 52390, 99970, 119195, 129961, 238390, 259922, 309907, 619814, 649805, 1299610, 1549535, 3099070, 4028791, 8057582, 20143955, 40287910]

約数ペア:

[(1, 40287910), (2, 20143955), (5, 8057582), (10, 4028791), (13, 3099070), (26, 1549535), (31, 1299610), (62, 649805), (65, 619814), (130, 309907), (155, 259922), (169, 238390), (310, 129961), (338, 119195), (403, 99970), (769, 52390), (806, 49985), (845, 47678), (1538, 26195), (1690, 23839), (2015, 19994), (3845, 10478), (4030, 9997), (5239, 7690)]