25992880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 63995904

約数和(自身を除く): 38003024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 223, 235, 248, 310, 376, 446, 470, 496, 620, 752, 892, 940, 1115, 1240, 1457, 1784, 1880, 2230, 2480, 2914, 3568, 3760, 4460, 5828, 6913, 7285, 8920, 10481, 11656, 13826, 14570, 17840, 20962, 23312, 27652, 29140, 34565, 41924, 52405, 55304, 58280, 69130, 83848, 104810, 110608, 116560, 138260, 167696, 209620, 276520, 324911, 419240, 553040, 649822, 838480, 1299644, 1624555, 2599288, 3249110, 5198576, 6498220, 12996440, 25992880]

約数ペア:

[(1, 25992880), (2, 12996440), (4, 6498220), (5, 5198576), (8, 3249110), (10, 2599288), (16, 1624555), (20, 1299644), (31, 838480), (40, 649822), (47, 553040), (62, 419240), (80, 324911), (94, 276520), (124, 209620), (155, 167696), (188, 138260), (223, 116560), (235, 110608), (248, 104810), (310, 83848), (376, 69130), (446, 58280), (470, 55304), (496, 52405), (620, 41924), (752, 34565), (892, 29140), (940, 27652), (1115, 23312), (1240, 20962), (1457, 17840), (1784, 14570), (1880, 13826), (2230, 11656), (2480, 10481), (2914, 8920), (3568, 7285), (3760, 6913), (4460, 5828)]