40508720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72337}}^1$

素因数の和:72357

約数の個数: 40

約数和(自身を含む): 107638944

約数和(自身を除く): 67130224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72337, 144674, 289348, 361685, 506359, 578696, 723370, 1012718, 1157392, 1446740, 2025436, 2531795, 2893480, 4050872, 5063590, 5786960, 8101744, 10127180, 20254360, 40508720]

約数ペア:

[(1, 40508720), (2, 20254360), (4, 10127180), (5, 8101744), (7, 5786960), (8, 5063590), (10, 4050872), (14, 2893480), (16, 2531795), (20, 2025436), (28, 1446740), (35, 1157392), (40, 1012718), (56, 723370), (70, 578696), (80, 506359), (112, 361685), (140, 289348), (280, 144674), (560, 72337)]