99130040

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{9643}}^1$

素因数の和:9911

約数の個数: 32

約数和(自身を含む): 223933680

約数和(自身を除く): 124803640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 9643, 10280, 19286, 38572, 48215, 77144, 96430, 192860, 385720, 2478251, 4956502, 9913004, 12391255, 19826008, 24782510, 49565020, 99130040]

約数ペア:

[(1, 99130040), (2, 49565020), (4, 24782510), (5, 19826008), (8, 12391255), (10, 9913004), (20, 4956502), (40, 2478251), (257, 385720), (514, 192860), (1028, 96430), (1285, 77144), (2056, 48215), (2570, 38572), (5140, 19286), (9643, 10280)]