28902080

素因数分解:

$2^6\times 5^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:697

約数の個数: 56

約数和(自身を含む): 69342000

約数和(自身を除く): 40439920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 181, 320, 362, 499, 724, 905, 998, 1448, 1810, 1996, 2495, 2896, 3620, 3992, 4990, 5792, 7240, 7984, 9980, 11584, 14480, 15968, 19960, 28960, 31936, 39920, 57920, 79840, 90319, 159680, 180638, 361276, 451595, 722552, 903190, 1445104, 1806380, 2890208, 3612760, 5780416, 7225520, 14451040, 28902080]

約数ペア:

[(1, 28902080), (2, 14451040), (4, 7225520), (5, 5780416), (8, 3612760), (10, 2890208), (16, 1806380), (20, 1445104), (32, 903190), (40, 722552), (64, 451595), (80, 361276), (160, 180638), (181, 159680), (320, 90319), (362, 79840), (499, 57920), (724, 39920), (905, 31936), (998, 28960), (1448, 19960), (1810, 15968), (1996, 14480), (2495, 11584), (2896, 9980), (3620, 7984), (3992, 7240), (4990, 5792)]