90399040

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2797}}^1$

素因数の和:2915

約数の個数: 56

約数和(自身を含む): 217471752

約数和(自身を除く): 127072712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 2797, 3232, 4040, 5594, 6464, 8080, 11188, 13985, 16160, 22376, 27970, 32320, 44752, 55940, 89504, 111880, 179008, 223760, 282497, 447520, 564994, 895040, 1129988, 1412485, 2259976, 2824970, 4519952, 5649940, 9039904, 11299880, 18079808, 22599760, 45199520, 90399040]

約数ペア:

[(1, 90399040), (2, 45199520), (4, 22599760), (5, 18079808), (8, 11299880), (10, 9039904), (16, 5649940), (20, 4519952), (32, 2824970), (40, 2259976), (64, 1412485), (80, 1129988), (101, 895040), (160, 564994), (202, 447520), (320, 282497), (404, 223760), (505, 179008), (808, 111880), (1010, 89504), (1616, 55940), (2020, 44752), (2797, 32320), (3232, 27970), (4040, 22376), (5594, 16160), (6464, 13985), (8080, 11188)]