28565526280

素因数分解:

$2^3\times 5^1\times {\mathrm{10613}}^1\times {\mathrm{67289}}^1$

素因数の和:77913

約数の個数: 32

約数和(自身を含む): 64279445400

約数和(自身を除く): 35713919120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10613, 21226, 42452, 53065, 67289, 84904, 106130, 134578, 212260, 269156, 336445, 424520, 538312, 672890, 1345780, 2691560, 714138157, 1428276314, 2856552628, 3570690785, 5713105256, 7141381570, 14282763140, 28565526280]

約数ペア:

[(1, 28565526280), (2, 14282763140), (4, 7141381570), (5, 5713105256), (8, 3570690785), (10, 2856552628), (20, 1428276314), (40, 714138157), (10613, 2691560), (21226, 1345780), (42452, 672890), (53065, 538312), (67289, 424520), (84904, 336445), (106130, 269156), (134578, 212260)]