7642940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20113}}^1$

素因数の和:20141

約数の個数: 24

約数和(自身を含む): 16895760

約数和(自身を除く): 9252820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20113, 40226, 80452, 100565, 201130, 382147, 402260, 764294, 1528588, 1910735, 3821470, 7642940]

約数ペア:

[(1, 7642940), (2, 3821470), (4, 1910735), (5, 1528588), (10, 764294), (19, 402260), (20, 382147), (38, 201130), (76, 100565), (95, 80452), (190, 40226), (380, 20113)]