99880880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113501}}^1$

素因数の和:113525

約数の個数: 40

約数和(自身を含む): 253336464

約数和(自身を除く): 153455584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 113501, 227002, 454004, 567505, 908008, 1135010, 1248511, 1816016, 2270020, 2497022, 4540040, 4994044, 6242555, 9080080, 9988088, 12485110, 19976176, 24970220, 49940440, 99880880]

約数ペア:

[(1, 99880880), (2, 49940440), (4, 24970220), (5, 19976176), (8, 12485110), (10, 9988088), (11, 9080080), (16, 6242555), (20, 4994044), (22, 4540040), (40, 2497022), (44, 2270020), (55, 1816016), (80, 1248511), (88, 1135010), (110, 908008), (176, 567505), (220, 454004), (440, 227002), (880, 113501)]