40388404

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21529}}^1$

素因数の和:21607

約数の個数: 24

約数和(自身を含む): 81986240

約数和(自身を除く): 41597836

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 21529, 43058, 86116, 150703, 301406, 602812, 1442443, 2884886, 5769772, 10097101, 20194202, 40388404]

約数ペア:

[(1, 40388404), (2, 20194202), (4, 10097101), (7, 5769772), (14, 2884886), (28, 1442443), (67, 602812), (134, 301406), (268, 150703), (469, 86116), (938, 43058), (1876, 21529)]