25032080

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1993}}^1$

素因数の和:2163

約数の個数: 40

約数和(自身を含む): 58599672

約数和(自身を除く): 33567592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 1993, 2512, 3140, 3986, 6280, 7972, 9965, 12560, 15944, 19930, 31888, 39860, 79720, 159440, 312901, 625802, 1251604, 1564505, 2503208, 3129010, 5006416, 6258020, 12516040, 25032080]

約数ペア:

[(1, 25032080), (2, 12516040), (4, 6258020), (5, 5006416), (8, 3129010), (10, 2503208), (16, 1564505), (20, 1251604), (40, 625802), (80, 312901), (157, 159440), (314, 79720), (628, 39860), (785, 31888), (1256, 19930), (1570, 15944), (1993, 12560), (2512, 9965), (3140, 7972), (3986, 6280)]