8524400

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:330

約数の個数: 60

約数和(自身を含む): 20780664

約数和(自身を除く): 12256264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 211, 400, 404, 422, 505, 808, 844, 1010, 1055, 1616, 1688, 2020, 2110, 2525, 3376, 4040, 4220, 5050, 5275, 8080, 8440, 10100, 10550, 16880, 20200, 21100, 21311, 40400, 42200, 42622, 84400, 85244, 106555, 170488, 213110, 340976, 426220, 532775, 852440, 1065550, 1704880, 2131100, 4262200, 8524400]

約数ペア:

[(1, 8524400), (2, 4262200), (4, 2131100), (5, 1704880), (8, 1065550), (10, 852440), (16, 532775), (20, 426220), (25, 340976), (40, 213110), (50, 170488), (80, 106555), (100, 85244), (101, 84400), (200, 42622), (202, 42200), (211, 40400), (400, 21311), (404, 21100), (422, 20200), (505, 16880), (808, 10550), (844, 10100), (1010, 8440), (1055, 8080), (1616, 5275), (1688, 5050), (2020, 4220), (2110, 4040), (2525, 3376)]