815968960

素因数分解:

$2^6\times 5^1\times {\mathrm{2549903}}^1$

素因数の和:2549920

約数の個数: 28

約数和(自身を含む): 1943026848

約数和(自身を除く): 1127057888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2549903, 5099806, 10199612, 12749515, 20399224, 25499030, 40798448, 50998060, 81596896, 101996120, 163193792, 203992240, 407984480, 815968960]

約数ペア:

[(1, 815968960), (2, 407984480), (4, 203992240), (5, 163193792), (8, 101996120), (10, 81596896), (16, 50998060), (20, 40798448), (32, 25499030), (40, 20399224), (64, 12749515), (80, 10199612), (160, 5099806), (320, 2549903)]