12647120

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1223

約数の個数: 40

約数和(自身を含む): 29629800

約数和(自身を除く): 16982680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1061, 1192, 1490, 2122, 2384, 2980, 4244, 5305, 5960, 8488, 10610, 11920, 16976, 21220, 42440, 84880, 158089, 316178, 632356, 790445, 1264712, 1580890, 2529424, 3161780, 6323560, 12647120]

約数ペア:

[(1, 12647120), (2, 6323560), (4, 3161780), (5, 2529424), (8, 1580890), (10, 1264712), (16, 790445), (20, 632356), (40, 316178), (80, 158089), (149, 84880), (298, 42440), (596, 21220), (745, 16976), (1061, 11920), (1192, 10610), (1490, 8488), (2122, 5960), (2384, 5305), (2980, 4244)]