40683440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72649}}^1$

素因数の和:72669

約数の個数: 40

約数和(自身を含む): 108103200

約数和(自身を除く): 67419760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72649, 145298, 290596, 363245, 508543, 581192, 726490, 1017086, 1162384, 1452980, 2034172, 2542715, 2905960, 4068344, 5085430, 5811920, 8136688, 10170860, 20341720, 40683440]

約数ペア:

[(1, 40683440), (2, 20341720), (4, 10170860), (5, 8136688), (7, 5811920), (8, 5085430), (10, 4068344), (14, 2905960), (16, 2542715), (20, 2034172), (28, 1452980), (35, 1162384), (40, 1017086), (56, 726490), (70, 581192), (80, 508543), (112, 363245), (140, 290596), (280, 145298), (560, 72649)]