2020121500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{76231}}^1$

素因数の和:76303

約数の個数: 48

約数和(自身を含む): 4495248576

約数和(自身を除く): 2475127076

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 1060, 1325, 2650, 5300, 6625, 13250, 26500, 76231, 152462, 304924, 381155, 762310, 1524620, 1905775, 3811550, 4040243, 7623100, 8080486, 9528875, 16160972, 19057750, 20201215, 38115500, 40402430, 80804860, 101006075, 202012150, 404024300, 505030375, 1010060750, 2020121500]

約数ペア:

[(1, 2020121500), (2, 1010060750), (4, 505030375), (5, 404024300), (10, 202012150), (20, 101006075), (25, 80804860), (50, 40402430), (53, 38115500), (100, 20201215), (106, 19057750), (125, 16160972), (212, 9528875), (250, 8080486), (265, 7623100), (500, 4040243), (530, 3811550), (1060, 1905775), (1325, 1524620), (2650, 762310), (5300, 381155), (6625, 304924), (13250, 152462), (26500, 76231)]