25826480

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{719}}^1$

素因数の和:1181

約数の個数: 40

約数和(自身を含む): 60264000

約数和(自身を除く): 34437520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 719, 898, 1438, 1796, 2245, 2876, 3592, 3595, 4490, 5752, 7184, 7190, 8980, 11504, 14380, 17960, 28760, 35920, 57520, 322831, 645662, 1291324, 1614155, 2582648, 3228310, 5165296, 6456620, 12913240, 25826480]

約数ペア:

[(1, 25826480), (2, 12913240), (4, 6456620), (5, 5165296), (8, 3228310), (10, 2582648), (16, 1614155), (20, 1291324), (40, 645662), (80, 322831), (449, 57520), (719, 35920), (898, 28760), (1438, 17960), (1796, 14380), (2245, 11504), (2876, 8980), (3592, 7190), (3595, 7184), (4490, 5752)]