20167600

素因数分解:

$2^4\times 5^2\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:542

約数の個数: 60

約数和(自身を含む): 48957184

約数和(自身を除く): 28789584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 127, 200, 254, 397, 400, 508, 635, 794, 1016, 1270, 1588, 1985, 2032, 2540, 3175, 3176, 3970, 5080, 6350, 6352, 7940, 9925, 10160, 12700, 15880, 19850, 25400, 31760, 39700, 50419, 50800, 79400, 100838, 158800, 201676, 252095, 403352, 504190, 806704, 1008380, 1260475, 2016760, 2520950, 4033520, 5041900, 10083800, 20167600]

約数ペア:

[(1, 20167600), (2, 10083800), (4, 5041900), (5, 4033520), (8, 2520950), (10, 2016760), (16, 1260475), (20, 1008380), (25, 806704), (40, 504190), (50, 403352), (80, 252095), (100, 201676), (127, 158800), (200, 100838), (254, 79400), (397, 50800), (400, 50419), (508, 39700), (635, 31760), (794, 25400), (1016, 19850), (1270, 15880), (1588, 12700), (1985, 10160), (2032, 9925), (2540, 7940), (3175, 6352), (3176, 6350), (3970, 5080)]