28567840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1154

約数の個数: 96

約数和(自身を含む): 80559360

約数和(自身を除く): 51991520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1109, 1120, 1288, 1610, 1840, 2218, 2576, 3220, 3680, 4436, 5152, 5545, 6440, 7763, 8872, 11090, 12880, 15526, 17744, 22180, 25507, 25760, 31052, 35488, 38815, 44360, 51014, 62104, 77630, 88720, 102028, 124208, 127535, 155260, 177440, 178549, 204056, 248416, 255070, 310520, 357098, 408112, 510140, 621040, 714196, 816224, 892745, 1020280, 1242080, 1428392, 1785490, 2040560, 2856784, 3570980, 4081120, 5713568, 7141960, 14283920, 28567840]

約数ペア:

[(1, 28567840), (2, 14283920), (4, 7141960), (5, 5713568), (7, 4081120), (8, 3570980), (10, 2856784), (14, 2040560), (16, 1785490), (20, 1428392), (23, 1242080), (28, 1020280), (32, 892745), (35, 816224), (40, 714196), (46, 621040), (56, 510140), (70, 408112), (80, 357098), (92, 310520), (112, 255070), (115, 248416), (140, 204056), (160, 178549), (161, 177440), (184, 155260), (224, 127535), (230, 124208), (280, 102028), (322, 88720), (368, 77630), (460, 62104), (560, 51014), (644, 44360), (736, 38815), (805, 35488), (920, 31052), (1109, 25760), (1120, 25507), (1288, 22180), (1610, 17744), (1840, 15526), (2218, 12880), (2576, 11090), (3220, 8872), (3680, 7763), (4436, 6440), (5152, 5545)]