25784080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 70245504

約数和(自身を除く): 44461424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1123, 1148, 1435, 1640, 2246, 2296, 2870, 3280, 4492, 4592, 5615, 5740, 7861, 8984, 11230, 11480, 15722, 17968, 22460, 22960, 31444, 39305, 44920, 46043, 62888, 78610, 89840, 92086, 125776, 157220, 184172, 230215, 314440, 322301, 368344, 460430, 628880, 644602, 736688, 920860, 1289204, 1611505, 1841720, 2578408, 3223010, 3683440, 5156816, 6446020, 12892040, 25784080]

約数ペア:

[(1, 25784080), (2, 12892040), (4, 6446020), (5, 5156816), (7, 3683440), (8, 3223010), (10, 2578408), (14, 1841720), (16, 1611505), (20, 1289204), (28, 920860), (35, 736688), (40, 644602), (41, 628880), (56, 460430), (70, 368344), (80, 322301), (82, 314440), (112, 230215), (140, 184172), (164, 157220), (205, 125776), (280, 92086), (287, 89840), (328, 78610), (410, 62888), (560, 46043), (574, 44920), (656, 39305), (820, 31444), (1123, 22960), (1148, 22460), (1435, 17968), (1640, 15722), (2246, 11480), (2296, 11230), (2870, 8984), (3280, 7861), (4492, 5740), (4592, 5615)]