80562020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52313}}^1$

素因数の和:52340

約数の個数: 48

約数和(自身を含む): 210930048

約数和(自身を除く): 130368028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 52313, 104626, 209252, 261565, 366191, 523130, 575443, 732382, 1046260, 1150886, 1464764, 1830955, 2301772, 2877215, 3661910, 4028101, 5754430, 7323820, 8056202, 11508860, 16112404, 20140505, 40281010, 80562020]

約数ペア:

[(1, 80562020), (2, 40281010), (4, 20140505), (5, 16112404), (7, 11508860), (10, 8056202), (11, 7323820), (14, 5754430), (20, 4028101), (22, 3661910), (28, 2877215), (35, 2301772), (44, 1830955), (55, 1464764), (70, 1150886), (77, 1046260), (110, 732382), (140, 575443), (154, 523130), (220, 366191), (308, 261565), (385, 209252), (770, 104626), (1540, 52313)]