2018897960

素因数分解:

$2^3\times 5^1\times {\mathrm{50472449}}^1$

素因数の和:50472460

約数の個数: 16

約数和(自身を含む): 4542520500

約数和(自身を除く): 2523622540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50472449, 100944898, 201889796, 252362245, 403779592, 504724490, 1009448980, 2018897960]

約数ペア:

[(1, 2018897960), (2, 1009448980), (4, 504724490), (5, 403779592), (8, 252362245), (10, 201889796), (20, 100944898), (40, 50472449)]