80914820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13441}}^1$

素因数の和:13500

約数の個数: 48

約数和(自身を含む): 198726528

約数和(自身を除く): 117811708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 13441, 26882, 53764, 67205, 94087, 134410, 188174, 268820, 376348, 470435, 577963, 940870, 1155926, 1881740, 2311852, 2889815, 4045741, 5779630, 8091482, 11559260, 16182964, 20228705, 40457410, 80914820]

約数ペア:

[(1, 80914820), (2, 40457410), (4, 20228705), (5, 16182964), (7, 11559260), (10, 8091482), (14, 5779630), (20, 4045741), (28, 2889815), (35, 2311852), (43, 1881740), (70, 1155926), (86, 940870), (140, 577963), (172, 470435), (215, 376348), (301, 268820), (430, 188174), (602, 134410), (860, 94087), (1204, 67205), (1505, 53764), (3010, 26882), (6020, 13441)]