13261010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 27406080

約数和(自身を除く): 14145070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 487, 778, 974, 1945, 2435, 2723, 3409, 3890, 4870, 5446, 6818, 13615, 17045, 27230, 34090, 189443, 378886, 947215, 1326101, 1894430, 2652202, 6630505, 13261010]

約数ペア:

[(1, 13261010), (2, 6630505), (5, 2652202), (7, 1894430), (10, 1326101), (14, 947215), (35, 378886), (70, 189443), (389, 34090), (487, 27230), (778, 17045), (974, 13615), (1945, 6818), (2435, 5446), (2723, 4870), (3409, 3890)]