25726780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4451}}^1$

素因数の和:4494

約数の個数: 36

約数和(自身を含む): 57404088

約数和(自身を除く): 31677308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 4451, 5780, 8902, 17804, 22255, 44510, 75667, 89020, 151334, 302668, 378335, 756670, 1286339, 1513340, 2572678, 5145356, 6431695, 12863390, 25726780]

約数ペア:

[(1, 25726780), (2, 12863390), (4, 6431695), (5, 5145356), (10, 2572678), (17, 1513340), (20, 1286339), (34, 756670), (68, 378335), (85, 302668), (170, 151334), (289, 89020), (340, 75667), (578, 44510), (1156, 22255), (1445, 17804), (2890, 8902), (4451, 5780)]