25556080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 65647584

約数和(自身を除く): 40091504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 176, 220, 226, 257, 440, 452, 514, 565, 880, 904, 1028, 1130, 1243, 1285, 1808, 2056, 2260, 2486, 2570, 2827, 4112, 4520, 4972, 5140, 5654, 6215, 9040, 9944, 10280, 11308, 12430, 14135, 19888, 20560, 22616, 24860, 28270, 29041, 45232, 49720, 56540, 58082, 99440, 113080, 116164, 145205, 226160, 232328, 290410, 319451, 464656, 580820, 638902, 1161640, 1277804, 1597255, 2323280, 2555608, 3194510, 5111216, 6389020, 12778040, 25556080]

約数ペア:

[(1, 25556080), (2, 12778040), (4, 6389020), (5, 5111216), (8, 3194510), (10, 2555608), (11, 2323280), (16, 1597255), (20, 1277804), (22, 1161640), (40, 638902), (44, 580820), (55, 464656), (80, 319451), (88, 290410), (110, 232328), (113, 226160), (176, 145205), (220, 116164), (226, 113080), (257, 99440), (440, 58082), (452, 56540), (514, 49720), (565, 45232), (880, 29041), (904, 28270), (1028, 24860), (1130, 22616), (1243, 20560), (1285, 19888), (1808, 14135), (2056, 12430), (2260, 11308), (2486, 10280), (2570, 9944), (2827, 9040), (4112, 6215), (4520, 5654), (4972, 5140)]