42656860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 92496096

約数和(自身を除く): 49839236

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 193, 215, 257, 386, 430, 514, 772, 860, 965, 1028, 1285, 1930, 2570, 3860, 5140, 8299, 11051, 16598, 22102, 33196, 41495, 44204, 49601, 55255, 82990, 99202, 110510, 165980, 198404, 221020, 248005, 496010, 992020, 2132843, 4265686, 8531372, 10664215, 21328430, 42656860]

約数ペア:

[(1, 42656860), (2, 21328430), (4, 10664215), (5, 8531372), (10, 4265686), (20, 2132843), (43, 992020), (86, 496010), (172, 248005), (193, 221020), (215, 198404), (257, 165980), (386, 110510), (430, 99202), (514, 82990), (772, 55255), (860, 49601), (965, 44204), (1028, 41495), (1285, 33196), (1930, 22102), (2570, 16598), (3860, 11051), (5140, 8299)]