40002456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128213}}^1$

素因数の和:128235

約数の個数: 32

約数和(自身を含む): 107699760

約数和(自身を除く): 67697304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 128213, 256426, 384639, 512852, 769278, 1025704, 1538556, 1666769, 3077112, 3333538, 5000307, 6667076, 10000614, 13334152, 20001228, 40002456]

約数ペア:

[(1, 40002456), (2, 20001228), (3, 13334152), (4, 10000614), (6, 6667076), (8, 5000307), (12, 3333538), (13, 3077112), (24, 1666769), (26, 1538556), (39, 1025704), (52, 769278), (78, 512852), (104, 384639), (156, 256426), (312, 128213)]