40720078

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1151}}^1$

素因数の和:1205

約数の個数: 36

約数和(自身を含む): 75053952

約数和(自身を除く): 34333874

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 361, 722, 931, 1151, 1862, 2302, 2527, 5054, 8057, 16114, 17689, 21869, 35378, 43738, 56399, 112798, 153083, 306166, 415511, 831022, 1071581, 2143162, 2908577, 5817154, 20360039, 40720078]

約数ペア:

[(1, 40720078), (2, 20360039), (7, 5817154), (14, 2908577), (19, 2143162), (38, 1071581), (49, 831022), (98, 415511), (133, 306166), (266, 153083), (361, 112798), (722, 56399), (931, 43738), (1151, 35378), (1862, 21869), (2302, 17689), (2527, 16114), (5054, 8057)]