20161769800

素因数分解:

$2^3\times 5^2\times {\mathrm{313}}^1\times {\mathrm{322073}}^1$

素因数の和:322402

約数の個数: 48

約数和(自身を含む): 47026024740

約数和(自身を除く): 26864254940

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 313, 626, 1252, 1565, 2504, 3130, 6260, 7825, 12520, 15650, 31300, 62600, 322073, 644146, 1288292, 1610365, 2576584, 3220730, 6441460, 8051825, 12882920, 16103650, 32207300, 64414600, 100808849, 201617698, 403235396, 504044245, 806470792, 1008088490, 2016176980, 2520221225, 4032353960, 5040442450, 10080884900, 20161769800]

約数ペア:

[(1, 20161769800), (2, 10080884900), (4, 5040442450), (5, 4032353960), (8, 2520221225), (10, 2016176980), (20, 1008088490), (25, 806470792), (40, 504044245), (50, 403235396), (100, 201617698), (200, 100808849), (313, 64414600), (626, 32207300), (1252, 16103650), (1565, 12882920), (2504, 8051825), (3130, 6441460), (6260, 3220730), (7825, 2576584), (12520, 1610365), (15650, 1288292), (31300, 644146), (62600, 322073)]