51235520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 112

約数和(自身を含む): 141549120

約数和(自身を除く): 90313600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 140, 160, 178, 224, 257, 280, 320, 356, 445, 448, 514, 560, 623, 712, 890, 1028, 1120, 1246, 1285, 1424, 1780, 1799, 2056, 2240, 2492, 2570, 2848, 3115, 3560, 3598, 4112, 4984, 5140, 5696, 6230, 7120, 7196, 8224, 8995, 9968, 10280, 12460, 14240, 14392, 16448, 17990, 19936, 20560, 22873, 24920, 28480, 28784, 35980, 39872, 41120, 45746, 49840, 57568, 71960, 82240, 91492, 99680, 114365, 115136, 143920, 160111, 182984, 199360, 228730, 287840, 320222, 365968, 457460, 575680, 640444, 731936, 800555, 914920, 1280888, 1463872, 1601110, 1829840, 2561776, 3202220, 3659680, 5123552, 6404440, 7319360, 10247104, 12808880, 25617760, 51235520]

約数ペア:

[(1, 51235520), (2, 25617760), (4, 12808880), (5, 10247104), (7, 7319360), (8, 6404440), (10, 5123552), (14, 3659680), (16, 3202220), (20, 2561776), (28, 1829840), (32, 1601110), (35, 1463872), (40, 1280888), (56, 914920), (64, 800555), (70, 731936), (80, 640444), (89, 575680), (112, 457460), (140, 365968), (160, 320222), (178, 287840), (224, 228730), (257, 199360), (280, 182984), (320, 160111), (356, 143920), (445, 115136), (448, 114365), (514, 99680), (560, 91492), (623, 82240), (712, 71960), (890, 57568), (1028, 49840), (1120, 45746), (1246, 41120), (1285, 39872), (1424, 35980), (1780, 28784), (1799, 28480), (2056, 24920), (2240, 22873), (2492, 20560), (2570, 19936), (2848, 17990), (3115, 16448), (3560, 14392), (3598, 14240), (4112, 12460), (4984, 10280), (5140, 9968), (5696, 8995), (6230, 8224), (7120, 7196)]