40897480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78649}}^1$

素因数の和:78673

約数の個数: 32

約数和(自身を含む): 99099000

約数和(自身を除く): 58201520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78649, 157298, 314596, 393245, 629192, 786490, 1022437, 1572980, 2044874, 3145960, 4089748, 5112185, 8179496, 10224370, 20448740, 40897480]

約数ペア:

[(1, 40897480), (2, 20448740), (4, 10224370), (5, 8179496), (8, 5112185), (10, 4089748), (13, 3145960), (20, 2044874), (26, 1572980), (40, 1022437), (52, 786490), (65, 629192), (104, 393245), (130, 314596), (260, 157298), (520, 78649)]