80854540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3079}}^1$

素因数の和:3202

約数の個数: 48

約数和(自身を含む): 184726080

約数和(自身を除く): 103871540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 3079, 5252, 6158, 6565, 12316, 13130, 15395, 26260, 30790, 40027, 61580, 80054, 160108, 200135, 310979, 400270, 621958, 800540, 1243916, 1554895, 3109790, 4042727, 6219580, 8085454, 16170908, 20213635, 40427270, 80854540]

約数ペア:

[(1, 80854540), (2, 40427270), (4, 20213635), (5, 16170908), (10, 8085454), (13, 6219580), (20, 4042727), (26, 3109790), (52, 1554895), (65, 1243916), (101, 800540), (130, 621958), (202, 400270), (260, 310979), (404, 200135), (505, 160108), (1010, 80054), (1313, 61580), (2020, 40027), (2626, 30790), (3079, 26260), (5252, 15395), (6158, 13130), (6565, 12316)]