7225040

素因数分解:

$2^4\times 5^1\times {\mathrm{90313}}^1$

素因数の和:90326

約数の個数: 20

約数和(自身を含む): 16798404

約数和(自身を除く): 9573364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 90313, 180626, 361252, 451565, 722504, 903130, 1445008, 1806260, 3612520, 7225040]

約数ペア:

[(1, 7225040), (2, 3612520), (4, 1806260), (5, 1445008), (8, 903130), (10, 722504), (16, 451565), (20, 361252), (40, 180626), (80, 90313)]