28451840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{5557}}^1$

素因数の和:5582

約数の個数: 44

約数和(自身を含む): 68263356

約数和(自身を除く): 39811516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 5557, 11114, 22228, 27785, 44456, 55570, 88912, 111140, 177824, 222280, 355648, 444560, 711296, 889120, 1422592, 1778240, 2845184, 3556480, 5690368, 7112960, 14225920, 28451840]

約数ペア:

[(1, 28451840), (2, 14225920), (4, 7112960), (5, 5690368), (8, 3556480), (10, 2845184), (16, 1778240), (20, 1422592), (32, 889120), (40, 711296), (64, 444560), (80, 355648), (128, 222280), (160, 177824), (256, 111140), (320, 88912), (512, 55570), (640, 44456), (1024, 27785), (1280, 22228), (2560, 11114), (5120, 5557)]