28225280

素因数分解:

$2^8\times 5^1\times {\mathrm{22051}}^1$

素因数の和:22072

約数の個数: 36

約数和(自身を含む): 67611432

約数和(自身を除く): 39386152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22051, 44102, 88204, 110255, 176408, 220510, 352816, 441020, 705632, 882040, 1411264, 1764080, 2822528, 3528160, 5645056, 7056320, 14112640, 28225280]

約数ペア:

[(1, 28225280), (2, 14112640), (4, 7056320), (5, 5645056), (8, 3528160), (10, 2822528), (16, 1764080), (20, 1411264), (32, 882040), (40, 705632), (64, 441020), (80, 352816), (128, 220510), (160, 176408), (256, 110255), (320, 88204), (640, 44102), (1280, 22051)]