12713440

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 30270240

約数和(自身を除く): 17556800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 439, 724, 878, 905, 1448, 1756, 1810, 2195, 2896, 3512, 3620, 4390, 5792, 7024, 7240, 8780, 14048, 14480, 17560, 28960, 35120, 70240, 79459, 158918, 317836, 397295, 635672, 794590, 1271344, 1589180, 2542688, 3178360, 6356720, 12713440]

約数ペア:

[(1, 12713440), (2, 6356720), (4, 3178360), (5, 2542688), (8, 1589180), (10, 1271344), (16, 794590), (20, 635672), (32, 397295), (40, 317836), (80, 158918), (160, 79459), (181, 70240), (362, 35120), (439, 28960), (724, 17560), (878, 14480), (905, 14048), (1448, 8780), (1756, 7240), (1810, 7024), (2195, 5792), (2896, 4390), (3512, 3620)]