28686080

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 69880272

約数和(自身を除く): 41194192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 307, 320, 365, 584, 614, 640, 730, 1168, 1228, 1280, 1460, 1535, 2336, 2456, 2920, 3070, 4672, 4912, 5840, 6140, 9344, 9824, 11680, 12280, 18688, 19648, 22411, 23360, 24560, 39296, 44822, 46720, 49120, 78592, 89644, 93440, 98240, 112055, 179288, 196480, 224110, 358576, 392960, 448220, 717152, 896440, 1434304, 1792880, 2868608, 3585760, 5737216, 7171520, 14343040, 28686080]

約数ペア:

[(1, 28686080), (2, 14343040), (4, 7171520), (5, 5737216), (8, 3585760), (10, 2868608), (16, 1792880), (20, 1434304), (32, 896440), (40, 717152), (64, 448220), (73, 392960), (80, 358576), (128, 224110), (146, 196480), (160, 179288), (256, 112055), (292, 98240), (307, 93440), (320, 89644), (365, 78592), (584, 49120), (614, 46720), (640, 44822), (730, 39296), (1168, 24560), (1228, 23360), (1280, 22411), (1460, 19648), (1535, 18688), (2336, 12280), (2456, 11680), (2920, 9824), (3070, 9344), (4672, 6140), (4912, 5840)]