6816940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 15607872

約数和(自身を除く): 8790932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 167, 260, 314, 334, 628, 668, 785, 835, 1570, 1670, 2041, 2171, 3140, 3340, 4082, 4342, 8164, 8684, 10205, 10855, 20410, 21710, 26219, 40820, 43420, 52438, 104876, 131095, 262190, 340847, 524380, 681694, 1363388, 1704235, 3408470, 6816940]

約数ペア:

[(1, 6816940), (2, 3408470), (4, 1704235), (5, 1363388), (10, 681694), (13, 524380), (20, 340847), (26, 262190), (52, 131095), (65, 104876), (130, 52438), (157, 43420), (167, 40820), (260, 26219), (314, 21710), (334, 20410), (628, 10855), (668, 10205), (785, 8684), (835, 8164), (1570, 4342), (1670, 4082), (2041, 3340), (2171, 3140)]