16947800

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 39841200

約数和(自身を除く): 22893400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 839, 1010, 1678, 2020, 2525, 3356, 4040, 4195, 5050, 6712, 8390, 10100, 16780, 20200, 20975, 33560, 41950, 83900, 84739, 167800, 169478, 338956, 423695, 677912, 847390, 1694780, 2118475, 3389560, 4236950, 8473900, 16947800]

約数ペア:

[(1, 16947800), (2, 8473900), (4, 4236950), (5, 3389560), (8, 2118475), (10, 1694780), (20, 847390), (25, 677912), (40, 423695), (50, 338956), (100, 169478), (101, 167800), (200, 84739), (202, 83900), (404, 41950), (505, 33560), (808, 20975), (839, 20200), (1010, 16780), (1678, 10100), (2020, 8390), (2525, 6712), (3356, 5050), (4040, 4195)]