51457280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{5743}}^1$

素因数の和:5771

約数の個数: 72

約数和(自身を含む): 140888832

約数和(自身を除く): 89431552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 5743, 8960, 11486, 22972, 28715, 40201, 45944, 57430, 80402, 91888, 114860, 160804, 183776, 201005, 229720, 321608, 367552, 402010, 459440, 643216, 735104, 804020, 918880, 1286432, 1470208, 1608040, 1837760, 2572864, 3216080, 3675520, 5145728, 6432160, 7351040, 10291456, 12864320, 25728640, 51457280]

約数ペア:

[(1, 51457280), (2, 25728640), (4, 12864320), (5, 10291456), (7, 7351040), (8, 6432160), (10, 5145728), (14, 3675520), (16, 3216080), (20, 2572864), (28, 1837760), (32, 1608040), (35, 1470208), (40, 1286432), (56, 918880), (64, 804020), (70, 735104), (80, 643216), (112, 459440), (128, 402010), (140, 367552), (160, 321608), (224, 229720), (256, 201005), (280, 183776), (320, 160804), (448, 114860), (560, 91888), (640, 80402), (896, 57430), (1120, 45944), (1280, 40201), (1792, 28715), (2240, 22972), (4480, 11486), (5743, 8960)]