66870260

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25523}}^1$

素因数の和:25663

約数の個数: 24

約数和(自身を含む): 141505056

約数和(自身を除く): 74634796

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 25523, 51046, 102092, 127615, 255230, 510460, 3343513, 6687026, 13374052, 16717565, 33435130, 66870260]

約数ペア:

[(1, 66870260), (2, 33435130), (4, 16717565), (5, 13374052), (10, 6687026), (20, 3343513), (131, 510460), (262, 255230), (524, 127615), (655, 102092), (1310, 51046), (2620, 25523)]