25617760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 96

約数和(自身を含む): 70217280

約数和(自身を除く): 44599520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 89, 112, 140, 160, 178, 224, 257, 280, 356, 445, 514, 560, 623, 712, 890, 1028, 1120, 1246, 1285, 1424, 1780, 1799, 2056, 2492, 2570, 2848, 3115, 3560, 3598, 4112, 4984, 5140, 6230, 7120, 7196, 8224, 8995, 9968, 10280, 12460, 14240, 14392, 17990, 19936, 20560, 22873, 24920, 28784, 35980, 41120, 45746, 49840, 57568, 71960, 91492, 99680, 114365, 143920, 160111, 182984, 228730, 287840, 320222, 365968, 457460, 640444, 731936, 800555, 914920, 1280888, 1601110, 1829840, 2561776, 3202220, 3659680, 5123552, 6404440, 12808880, 25617760]

約数ペア:

[(1, 25617760), (2, 12808880), (4, 6404440), (5, 5123552), (7, 3659680), (8, 3202220), (10, 2561776), (14, 1829840), (16, 1601110), (20, 1280888), (28, 914920), (32, 800555), (35, 731936), (40, 640444), (56, 457460), (70, 365968), (80, 320222), (89, 287840), (112, 228730), (140, 182984), (160, 160111), (178, 143920), (224, 114365), (257, 99680), (280, 91492), (356, 71960), (445, 57568), (514, 49840), (560, 45746), (623, 41120), (712, 35980), (890, 28784), (1028, 24920), (1120, 22873), (1246, 20560), (1285, 19936), (1424, 17990), (1780, 14392), (1799, 14240), (2056, 12460), (2492, 10280), (2570, 9968), (2848, 8995), (3115, 8224), (3560, 7196), (3598, 7120), (4112, 6230), (4984, 5140)]