51219237890

素因数分解:

$2^1\times 5^1\times {\mathrm{20743}}^1\times {\mathrm{246923}}^1$

素因数の和:267673

約数の個数: 16

約数和(自身を含む): 92199446208

約数和(自身を除く): 40980208318

約数列:

[1, 2, 5, 10, 20743, 41486, 103715, 207430, 246923, 493846, 1234615, 2469230, 5121923789, 10243847578, 25609618945, 51219237890]

約数ペア:

[(1, 51219237890), (2, 25609618945), (5, 10243847578), (10, 5121923789), (20743, 2469230), (41486, 1234615), (103715, 493846), (207430, 246923)]