80268520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69197}}^1$

素因数の和:69237

約数の個数: 32

約数和(自身を含む): 186834600

約数和(自身を除く): 106566080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 69197, 138394, 276788, 345985, 553576, 691970, 1383940, 2006713, 2767880, 4013426, 8026852, 10033565, 16053704, 20067130, 40134260, 80268520]

約数ペア:

[(1, 80268520), (2, 40134260), (4, 20067130), (5, 16053704), (8, 10033565), (10, 8026852), (20, 4013426), (29, 2767880), (40, 2006713), (58, 1383940), (116, 691970), (145, 553576), (232, 345985), (290, 276788), (580, 138394), (1160, 69197)]