25208320

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:295

約数の個数: 80

約数和(自身を含む): 62116560

約数和(自身を除く): 36908240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 229, 256, 320, 344, 430, 458, 512, 640, 688, 860, 916, 1145, 1280, 1376, 1720, 1832, 2290, 2560, 2752, 3440, 3664, 4580, 5504, 6880, 7328, 9160, 9847, 11008, 13760, 14656, 18320, 19694, 22016, 27520, 29312, 36640, 39388, 49235, 55040, 58624, 73280, 78776, 98470, 110080, 117248, 146560, 157552, 196940, 293120, 315104, 393880, 586240, 630208, 787760, 1260416, 1575520, 2520832, 3151040, 5041664, 6302080, 12604160, 25208320]

約数ペア:

[(1, 25208320), (2, 12604160), (4, 6302080), (5, 5041664), (8, 3151040), (10, 2520832), (16, 1575520), (20, 1260416), (32, 787760), (40, 630208), (43, 586240), (64, 393880), (80, 315104), (86, 293120), (128, 196940), (160, 157552), (172, 146560), (215, 117248), (229, 110080), (256, 98470), (320, 78776), (344, 73280), (430, 58624), (458, 55040), (512, 49235), (640, 39388), (688, 36640), (860, 29312), (916, 27520), (1145, 22016), (1280, 19694), (1376, 18320), (1720, 14656), (1832, 13760), (2290, 11008), (2560, 9847), (2752, 9160), (3440, 7328), (3664, 6880), (4580, 5504)]