200016680

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{15107}}^1$

素因数の和:15449

約数の個数: 32

約数和(自身を含む): 451427040

約数和(自身を除く): 251410360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 15107, 30214, 60428, 75535, 120856, 151070, 302140, 604280, 5000417, 10000834, 20001668, 25002085, 40003336, 50004170, 100008340, 200016680]

約数ペア:

[(1, 200016680), (2, 100008340), (4, 50004170), (5, 40003336), (8, 25002085), (10, 20001668), (20, 10000834), (40, 5000417), (331, 604280), (662, 302140), (1324, 151070), (1655, 120856), (2648, 75535), (3310, 60428), (6620, 30214), (13240, 15107)]