65980360

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{3049}}^1$

素因数の和:3601

約数の個数: 32

約数和(自身を含む): 148779000

約数和(自身を除く): 82798640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 3049, 4328, 5410, 6098, 10820, 12196, 15245, 21640, 24392, 30490, 60980, 121960, 1649509, 3299018, 6598036, 8247545, 13196072, 16495090, 32990180, 65980360]

約数ペア:

[(1, 65980360), (2, 32990180), (4, 16495090), (5, 13196072), (8, 8247545), (10, 6598036), (20, 3299018), (40, 1649509), (541, 121960), (1082, 60980), (2164, 30490), (2705, 24392), (3049, 21640), (4328, 15245), (5410, 12196), (6098, 10820)]