40067440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71549}}^1$

素因数の和:71569

約数の個数: 40

約数和(自身を含む): 106466400

約数和(自身を除く): 66398960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71549, 143098, 286196, 357745, 500843, 572392, 715490, 1001686, 1144784, 1430980, 2003372, 2504215, 2861960, 4006744, 5008430, 5723920, 8013488, 10016860, 20033720, 40067440]

約数ペア:

[(1, 40067440), (2, 20033720), (4, 10016860), (5, 8013488), (7, 5723920), (8, 5008430), (10, 4006744), (14, 2861960), (16, 2504215), (20, 2003372), (28, 1430980), (35, 1144784), (40, 1001686), (56, 715490), (70, 572392), (80, 500843), (112, 357745), (140, 286196), (280, 143098), (560, 71549)]