89303780

素因数分解:

$2^2\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{2789}}^1$

素因数の和:4399

約数の個数: 24

約数和(自身を含む): 187722360

約数和(自身を除く): 98418580

約数列:

[1, 2, 4, 5, 10, 20, 1601, 2789, 3202, 5578, 6404, 8005, 11156, 13945, 16010, 27890, 32020, 55780, 4465189, 8930378, 17860756, 22325945, 44651890, 89303780]

約数ペア:

[(1, 89303780), (2, 44651890), (4, 22325945), (5, 17860756), (10, 8930378), (20, 4465189), (1601, 55780), (2789, 32020), (3202, 27890), (5578, 16010), (6404, 13945), (8005, 11156)]