2019989710

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1\times {\mathrm{3989}}^1$

素因数の和:4716

約数の個数: 32

約数和(自身を含む): 3688675200

約数和(自身を除く): 1668685490

約数列:

[1, 2, 5, 10, 79, 158, 395, 641, 790, 1282, 3205, 3989, 6410, 7978, 19945, 39890, 50639, 101278, 253195, 315131, 506390, 630262, 1575655, 2556949, 3151310, 5113898, 12784745, 25569490, 201998971, 403997942, 1009994855, 2019989710]

約数ペア:

[(1, 2019989710), (2, 1009994855), (5, 403997942), (10, 201998971), (79, 25569490), (158, 12784745), (395, 5113898), (641, 3151310), (790, 2556949), (1282, 1575655), (3205, 630262), (3989, 506390), (6410, 315131), (7978, 253195), (19945, 101278), (39890, 50639)]