27888800

素因数分解:

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

素因数の和:582

約数の個数: 72

約数和(自身を含む): 69183072

約数和(自身を除く): 41294272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 491, 568, 710, 800, 982, 1136, 1420, 1775, 1964, 2272, 2455, 2840, 3550, 3928, 4910, 5680, 7100, 7856, 9820, 11360, 12275, 14200, 15712, 19640, 24550, 28400, 34861, 39280, 49100, 56800, 69722, 78560, 98200, 139444, 174305, 196400, 278888, 348610, 392800, 557776, 697220, 871525, 1115552, 1394440, 1743050, 2788880, 3486100, 5577760, 6972200, 13944400, 27888800]

約数ペア:

[(1, 27888800), (2, 13944400), (4, 6972200), (5, 5577760), (8, 3486100), (10, 2788880), (16, 1743050), (20, 1394440), (25, 1115552), (32, 871525), (40, 697220), (50, 557776), (71, 392800), (80, 348610), (100, 278888), (142, 196400), (160, 174305), (200, 139444), (284, 98200), (355, 78560), (400, 69722), (491, 56800), (568, 49100), (710, 39280), (800, 34861), (982, 28400), (1136, 24550), (1420, 19640), (1775, 15712), (1964, 14200), (2272, 12275), (2455, 11360), (2840, 9820), (3550, 7856), (3928, 7100), (4910, 5680)]