26155520

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:641

約数の個数: 80

約数和(自身を含む): 66511368

約数和(自身を除く): 40355848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 601, 640, 680, 1088, 1202, 1280, 1360, 2176, 2404, 2560, 2720, 3005, 4352, 4808, 5440, 6010, 8704, 9616, 10217, 10880, 12020, 19232, 20434, 21760, 24040, 38464, 40868, 43520, 48080, 51085, 76928, 81736, 96160, 102170, 153856, 163472, 192320, 204340, 307712, 326944, 384640, 408680, 653888, 769280, 817360, 1307776, 1538560, 1634720, 2615552, 3269440, 5231104, 6538880, 13077760, 26155520]

約数ペア:

[(1, 26155520), (2, 13077760), (4, 6538880), (5, 5231104), (8, 3269440), (10, 2615552), (16, 1634720), (17, 1538560), (20, 1307776), (32, 817360), (34, 769280), (40, 653888), (64, 408680), (68, 384640), (80, 326944), (85, 307712), (128, 204340), (136, 192320), (160, 163472), (170, 153856), (256, 102170), (272, 96160), (320, 81736), (340, 76928), (512, 51085), (544, 48080), (601, 43520), (640, 40868), (680, 38464), (1088, 24040), (1202, 21760), (1280, 20434), (1360, 19232), (2176, 12020), (2404, 10880), (2560, 10217), (2720, 9616), (3005, 8704), (4352, 6010), (4808, 5440)]