15935140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{367}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 36352512

約数和(自身を除く): 20417372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 367, 668, 734, 835, 1468, 1670, 1835, 2171, 3340, 3670, 4342, 4771, 7340, 8684, 9542, 10855, 19084, 21710, 23855, 43420, 47710, 61289, 95420, 122578, 245156, 306445, 612890, 796757, 1225780, 1593514, 3187028, 3983785, 7967570, 15935140]

約数ペア:

[(1, 15935140), (2, 7967570), (4, 3983785), (5, 3187028), (10, 1593514), (13, 1225780), (20, 796757), (26, 612890), (52, 306445), (65, 245156), (130, 122578), (167, 95420), (260, 61289), (334, 47710), (367, 43420), (668, 23855), (734, 21710), (835, 19084), (1468, 10855), (1670, 9542), (1835, 8684), (2171, 7340), (3340, 4771), (3670, 4342)]