42185420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68041}}^1$

素因数の和:68081

約数の個数: 24

約数和(自身を含む): 91448448

約数和(自身を除く): 49263028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68041, 136082, 272164, 340205, 680410, 1360820, 2109271, 4218542, 8437084, 10546355, 21092710, 42185420]

約数ペア:

[(1, 42185420), (2, 21092710), (4, 10546355), (5, 8437084), (10, 4218542), (20, 2109271), (31, 1360820), (62, 680410), (124, 340205), (155, 272164), (310, 136082), (620, 68041)]