42224680

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1597}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 95208840

約数和(自身を除く): 52984160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 1597, 2644, 3194, 3305, 5288, 6388, 6610, 7985, 12776, 13220, 15970, 26440, 31940, 63880, 1055617, 2111234, 4222468, 5278085, 8444936, 10556170, 21112340, 42224680]

約数ペア:

[(1, 42224680), (2, 21112340), (4, 10556170), (5, 8444936), (8, 5278085), (10, 4222468), (20, 2111234), (40, 1055617), (661, 63880), (1322, 31940), (1597, 26440), (2644, 15970), (3194, 13220), (3305, 12776), (5288, 7985), (6388, 6610)]