25128880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:1994

約数の個数: 80

約数和(自身を含む): 69709824

約数和(自身を除く): 44580944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 1951, 2576, 3220, 3902, 6440, 7804, 9755, 12880, 13657, 15608, 19510, 27314, 31216, 39020, 44873, 54628, 68285, 78040, 89746, 109256, 136570, 156080, 179492, 218512, 224365, 273140, 314111, 358984, 448730, 546280, 628222, 717968, 897460, 1092560, 1256444, 1570555, 1794920, 2512888, 3141110, 3589840, 5025776, 6282220, 12564440, 25128880]

約数ペア:

[(1, 25128880), (2, 12564440), (4, 6282220), (5, 5025776), (7, 3589840), (8, 3141110), (10, 2512888), (14, 1794920), (16, 1570555), (20, 1256444), (23, 1092560), (28, 897460), (35, 717968), (40, 628222), (46, 546280), (56, 448730), (70, 358984), (80, 314111), (92, 273140), (112, 224365), (115, 218512), (140, 179492), (161, 156080), (184, 136570), (230, 109256), (280, 89746), (322, 78040), (368, 68285), (460, 54628), (560, 44873), (644, 39020), (805, 31216), (920, 27314), (1288, 19510), (1610, 15608), (1840, 13657), (1951, 12880), (2576, 9755), (3220, 7804), (3902, 6440)]