67591960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{31883}}^1$

素因数の和:31947

約数の個数: 32

約数和(自身を含む): 154956240

約数和(自身を除く): 87364280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 31883, 63766, 127532, 159415, 255064, 318830, 637660, 1275320, 1689799, 3379598, 6759196, 8448995, 13518392, 16897990, 33795980, 67591960]

約数ペア:

[(1, 67591960), (2, 33795980), (4, 16897990), (5, 13518392), (8, 8448995), (10, 6759196), (20, 3379598), (40, 1689799), (53, 1275320), (106, 637660), (212, 318830), (265, 255064), (424, 159415), (530, 127532), (1060, 63766), (2120, 31883)]