2019778520

素因数分解:

$2^3\times 5^1\times {\mathrm{50494463}}^1$

素因数の和:50494474

約数の個数: 16

約数和(自身を含む): 4544501760

約数和(自身を除く): 2524723240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50494463, 100988926, 201977852, 252472315, 403955704, 504944630, 1009889260, 2019778520]

約数ペア:

[(1, 2019778520), (2, 1009889260), (4, 504944630), (5, 403955704), (8, 252472315), (10, 201977852), (20, 100988926), (40, 50494463)]