2019650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1346

約数の個数: 24

約数和(自身を含む): 3880704

約数和(自身を除く): 1861054

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1303, 1550, 2606, 6515, 13030, 32575, 40393, 65150, 80786, 201965, 403930, 1009825, 2019650]

約数ペア:

[(1, 2019650), (2, 1009825), (5, 403930), (10, 201965), (25, 80786), (31, 65150), (50, 40393), (62, 32575), (155, 13030), (310, 6515), (775, 2606), (1303, 1550)]