16448360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 38681280

約数和(自身を除く): 22232920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 131, 146, 172, 215, 262, 292, 344, 365, 430, 524, 584, 655, 730, 860, 1048, 1310, 1460, 1720, 2620, 2920, 3139, 5240, 5633, 6278, 9563, 11266, 12556, 15695, 19126, 22532, 25112, 28165, 31390, 38252, 45064, 47815, 56330, 62780, 76504, 95630, 112660, 125560, 191260, 225320, 382520, 411209, 822418, 1644836, 2056045, 3289672, 4112090, 8224180, 16448360]

約数ペア:

[(1, 16448360), (2, 8224180), (4, 4112090), (5, 3289672), (8, 2056045), (10, 1644836), (20, 822418), (40, 411209), (43, 382520), (73, 225320), (86, 191260), (131, 125560), (146, 112660), (172, 95630), (215, 76504), (262, 62780), (292, 56330), (344, 47815), (365, 45064), (430, 38252), (524, 31390), (584, 28165), (655, 25112), (730, 22532), (860, 19126), (1048, 15695), (1310, 12556), (1460, 11266), (1720, 9563), (2620, 6278), (2920, 5633), (3139, 5240)]