25978880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 38885920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 59, 64, 80, 86, 118, 128, 160, 172, 215, 236, 256, 295, 320, 344, 430, 472, 512, 590, 640, 688, 860, 944, 1024, 1180, 1280, 1376, 1720, 1888, 2048, 2360, 2537, 2560, 2752, 3440, 3776, 4720, 5074, 5120, 5504, 6880, 7552, 9440, 10148, 10240, 11008, 12685, 13760, 15104, 18880, 20296, 22016, 25370, 27520, 30208, 37760, 40592, 44032, 50740, 55040, 60416, 75520, 81184, 88064, 101480, 110080, 120832, 151040, 162368, 202960, 220160, 302080, 324736, 405920, 440320, 604160, 649472, 811840, 1298944, 1623680, 2597888, 3247360, 5195776, 6494720, 12989440, 25978880]

約数ペア:

[(1, 25978880), (2, 12989440), (4, 6494720), (5, 5195776), (8, 3247360), (10, 2597888), (16, 1623680), (20, 1298944), (32, 811840), (40, 649472), (43, 604160), (59, 440320), (64, 405920), (80, 324736), (86, 302080), (118, 220160), (128, 202960), (160, 162368), (172, 151040), (215, 120832), (236, 110080), (256, 101480), (295, 88064), (320, 81184), (344, 75520), (430, 60416), (472, 55040), (512, 50740), (590, 44032), (640, 40592), (688, 37760), (860, 30208), (944, 27520), (1024, 25370), (1180, 22016), (1280, 20296), (1376, 18880), (1720, 15104), (1888, 13760), (2048, 12685), (2360, 11008), (2537, 10240), (2560, 10148), (2752, 9440), (3440, 7552), (3776, 6880), (4720, 5504), (5074, 5120)]