84400

素因数分解:

$2^4\times 5^2\times {\mathrm{211}}^1$

素因数の和:229

約数の個数: 30

約数和(自身を含む): 203732

約数和(自身を除く): 119332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 211, 400, 422, 844, 1055, 1688, 2110, 3376, 4220, 5275, 8440, 10550, 16880, 21100, 42200, 84400]

約数ペア:

[(1, 84400), (2, 42200), (4, 21100), (5, 16880), (8, 10550), (10, 8440), (16, 5275), (20, 4220), (25, 3376), (40, 2110), (50, 1688), (80, 1055), (100, 844), (200, 422), (211, 400)]