13944400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:580

約数の個数: 60

約数和(自身を含む): 34042464

約数和(自身を除く): 20098064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 491, 568, 710, 982, 1136, 1420, 1775, 1964, 2455, 2840, 3550, 3928, 4910, 5680, 7100, 7856, 9820, 12275, 14200, 19640, 24550, 28400, 34861, 39280, 49100, 69722, 98200, 139444, 174305, 196400, 278888, 348610, 557776, 697220, 871525, 1394440, 1743050, 2788880, 3486100, 6972200, 13944400]

約数ペア:

[(1, 13944400), (2, 6972200), (4, 3486100), (5, 2788880), (8, 1743050), (10, 1394440), (16, 871525), (20, 697220), (25, 557776), (40, 348610), (50, 278888), (71, 196400), (80, 174305), (100, 139444), (142, 98200), (200, 69722), (284, 49100), (355, 39280), (400, 34861), (491, 28400), (568, 24550), (710, 19640), (982, 14200), (1136, 12275), (1420, 9820), (1775, 7856), (1964, 7100), (2455, 5680), (2840, 4910), (3550, 3928)]