901322720

素因数分解:

$2^5\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{2707}}^1$

素因数の和:4803

約数の個数: 48

約数和(自身を含む): 2131185168

約数和(自身を除く): 1229862448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2081, 2707, 4162, 5414, 8324, 10405, 10828, 13535, 16648, 20810, 21656, 27070, 33296, 41620, 43312, 54140, 66592, 83240, 86624, 108280, 166480, 216560, 332960, 433120, 5633267, 11266534, 22533068, 28166335, 45066136, 56332670, 90132272, 112665340, 180264544, 225330680, 450661360, 901322720]

約数ペア:

[(1, 901322720), (2, 450661360), (4, 225330680), (5, 180264544), (8, 112665340), (10, 90132272), (16, 56332670), (20, 45066136), (32, 28166335), (40, 22533068), (80, 11266534), (160, 5633267), (2081, 433120), (2707, 332960), (4162, 216560), (5414, 166480), (8324, 108280), (10405, 86624), (10828, 83240), (13535, 66592), (16648, 54140), (20810, 43312), (21656, 41620), (27070, 33296)]