2019497470

素因数分解:

$2^1\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{80107}}^1$

素因数の和:82635

約数の個数: 16

約数和(自身を含む): 3636582768

約数和(自身を除く): 1617085298

約数列:

[1, 2, 5, 10, 2521, 5042, 12605, 25210, 80107, 160214, 400535, 801070, 201949747, 403899494, 1009748735, 2019497470]

約数ペア:

[(1, 2019497470), (2, 1009748735), (5, 403899494), (10, 201949747), (2521, 801070), (5042, 400535), (12605, 160214), (25210, 80107)]