64498460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248071}}^1$

素因数の和:248093

約数の個数: 24

約数和(自身を含む): 145866336

約数和(自身を除く): 81367876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 248071, 496142, 992284, 1240355, 2480710, 3224923, 4961420, 6449846, 12899692, 16124615, 32249230, 64498460]

約数ペア:

[(1, 64498460), (2, 32249230), (4, 16124615), (5, 12899692), (10, 6449846), (13, 4961420), (20, 3224923), (26, 2480710), (52, 1240355), (65, 992284), (130, 496142), (260, 248071)]