4490240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{877}}^1$

素因数の和:902

約数の個数: 44

約数和(自身を含む): 10783596

約数和(自身を除く): 6293356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 877, 1024, 1280, 1754, 2560, 3508, 4385, 5120, 7016, 8770, 14032, 17540, 28064, 35080, 56128, 70160, 112256, 140320, 224512, 280640, 449024, 561280, 898048, 1122560, 2245120, 4490240]

約数ペア:

[(1, 4490240), (2, 2245120), (4, 1122560), (5, 898048), (8, 561280), (10, 449024), (16, 280640), (20, 224512), (32, 140320), (40, 112256), (64, 70160), (80, 56128), (128, 35080), (160, 28064), (256, 17540), (320, 14032), (512, 8770), (640, 7016), (877, 5120), (1024, 4385), (1280, 3508), (1754, 2560)]