39978496

素因数分解:

$2^9\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:822

約数の個数: 40

約数和(自身を含む): 80702424

約数和(自身を除く): 40723928

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 512, 691, 904, 1382, 1808, 2764, 3616, 5528, 7232, 11056, 14464, 22112, 28928, 44224, 57856, 78083, 88448, 156166, 176896, 312332, 353792, 624664, 1249328, 2498656, 4997312, 9994624, 19989248, 39978496]

約数ペア:

[(1, 39978496), (2, 19989248), (4, 9994624), (8, 4997312), (16, 2498656), (32, 1249328), (64, 624664), (113, 353792), (128, 312332), (226, 176896), (256, 156166), (452, 88448), (512, 78083), (691, 57856), (904, 44224), (1382, 28928), (1808, 22112), (2764, 14464), (3616, 11056), (5528, 7232)]