12818800

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:530

約数の個数: 60

約数和(自身を含む): 31290160

約数和(自身を除く): 18471360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 146, 200, 292, 365, 400, 439, 584, 730, 878, 1168, 1460, 1756, 1825, 2195, 2920, 3512, 3650, 4390, 5840, 7024, 7300, 8780, 10975, 14600, 17560, 21950, 29200, 32047, 35120, 43900, 64094, 87800, 128188, 160235, 175600, 256376, 320470, 512752, 640940, 801175, 1281880, 1602350, 2563760, 3204700, 6409400, 12818800]

約数ペア:

[(1, 12818800), (2, 6409400), (4, 3204700), (5, 2563760), (8, 1602350), (10, 1281880), (16, 801175), (20, 640940), (25, 512752), (40, 320470), (50, 256376), (73, 175600), (80, 160235), (100, 128188), (146, 87800), (200, 64094), (292, 43900), (365, 35120), (400, 32047), (439, 29200), (584, 21950), (730, 17560), (878, 14600), (1168, 10975), (1460, 8780), (1756, 7300), (1825, 7024), (2195, 5840), (2920, 4390), (3512, 3650)]