25473280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2843}}^1$

素因数の和:2871

約数の個数: 72

約数和(自身を含む): 69757632

約数和(自身を除く): 44284352

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, 2843, 4480, 5686, 8960, 11372, 14215, 19901, 22744, 28430, 39802, 45488, 56860, 79604, 90976, 99505, 113720, 159208, 181952, 199010, 227440, 318416, 363904, 398020, 454880, 636832, 727808, 796040, 909760, 1273664, 1592080, 1819520, 2547328, 3184160, 3639040, 5094656, 6368320, 12736640, 25473280]

約数ペア:

[(1, 25473280), (2, 12736640), (4, 6368320), (5, 5094656), (7, 3639040), (8, 3184160), (10, 2547328), (14, 1819520), (16, 1592080), (20, 1273664), (28, 909760), (32, 796040), (35, 727808), (40, 636832), (56, 454880), (64, 398020), (70, 363904), (80, 318416), (112, 227440), (128, 199010), (140, 181952), (160, 159208), (224, 113720), (256, 99505), (280, 90976), (320, 79604), (448, 56860), (560, 45488), (640, 39802), (896, 28430), (1120, 22744), (1280, 19901), (1792, 14215), (2240, 11372), (2843, 8960), (4480, 5686)]