49975280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7019}}^1$

素因数の和:7121

約数の個数: 40

約数和(自身を含む): 117514800

約数和(自身を除く): 67539520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7019, 7120, 14038, 28076, 35095, 56152, 70190, 112304, 140380, 280760, 561520, 624691, 1249382, 2498764, 3123455, 4997528, 6246910, 9995056, 12493820, 24987640, 49975280]

約数ペア:

[(1, 49975280), (2, 24987640), (4, 12493820), (5, 9995056), (8, 6246910), (10, 4997528), (16, 3123455), (20, 2498764), (40, 1249382), (80, 624691), (89, 561520), (178, 280760), (356, 140380), (445, 112304), (712, 70190), (890, 56152), (1424, 35095), (1780, 28076), (3560, 14038), (7019, 7120)]