80857568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^2$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 181689480

約数和(自身を除く): 100831912

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 89, 116, 176, 178, 232, 319, 352, 356, 464, 638, 712, 928, 979, 1276, 1424, 1958, 2552, 2581, 2848, 3916, 5104, 5162, 7832, 7921, 10208, 10324, 15664, 15842, 20648, 28391, 31328, 31684, 41296, 56782, 63368, 82592, 87131, 113564, 126736, 174262, 227128, 229709, 253472, 348524, 454256, 459418, 697048, 908512, 918836, 1394096, 1837672, 2526799, 2788192, 3675344, 5053598, 7350688, 10107196, 20214392, 40428784, 80857568]

約数ペア:

[(1, 80857568), (2, 40428784), (4, 20214392), (8, 10107196), (11, 7350688), (16, 5053598), (22, 3675344), (29, 2788192), (32, 2526799), (44, 1837672), (58, 1394096), (88, 918836), (89, 908512), (116, 697048), (176, 459418), (178, 454256), (232, 348524), (319, 253472), (352, 229709), (356, 227128), (464, 174262), (638, 126736), (712, 113564), (928, 87131), (979, 82592), (1276, 63368), (1424, 56782), (1958, 41296), (2552, 31684), (2581, 31328), (2848, 28391), (3916, 20648), (5104, 15842), (5162, 15664), (7832, 10324), (7921, 10208)]