68134840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19139}}^1$

素因数の和:19239

約数の個数: 32

約数和(自身を含む): 155034000

約数和(自身を除く): 86899160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 19139, 38278, 76556, 95695, 153112, 191390, 382780, 765560, 1703371, 3406742, 6813484, 8516855, 13626968, 17033710, 34067420, 68134840]

約数ペア:

[(1, 68134840), (2, 34067420), (4, 17033710), (5, 13626968), (8, 8516855), (10, 6813484), (20, 3406742), (40, 1703371), (89, 765560), (178, 382780), (356, 191390), (445, 153112), (712, 95695), (890, 76556), (1780, 38278), (3560, 19139)]