200416840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{385417}}^1$

素因数の和:385441

約数の個数: 32

約数和(自身を含む): 485626680

約数和(自身を除く): 285209840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 385417, 770834, 1541668, 1927085, 3083336, 3854170, 5010421, 7708340, 10020842, 15416680, 20041684, 25052105, 40083368, 50104210, 100208420, 200416840]

約数ペア:

[(1, 200416840), (2, 100208420), (4, 50104210), (5, 40083368), (8, 25052105), (10, 20041684), (13, 15416680), (20, 10020842), (26, 7708340), (40, 5010421), (52, 3854170), (65, 3083336), (104, 1927085), (130, 1541668), (260, 770834), (520, 385417)]