80721424

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5419}}^1$

素因数の和:5460

約数の個数: 60

約数和(自身を含む): 191542800

約数和(自身を除く): 110821376

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1862, 2128, 3724, 5419, 7448, 10838, 14896, 21676, 37933, 43352, 75866, 86704, 102961, 151732, 205922, 265531, 303464, 411844, 531062, 606928, 720727, 823688, 1062124, 1441454, 1647376, 2124248, 2882908, 4248496, 5045089, 5765816, 10090178, 11531632, 20180356, 40360712, 80721424]

約数ペア:

[(1, 80721424), (2, 40360712), (4, 20180356), (7, 11531632), (8, 10090178), (14, 5765816), (16, 5045089), (19, 4248496), (28, 2882908), (38, 2124248), (49, 1647376), (56, 1441454), (76, 1062124), (98, 823688), (112, 720727), (133, 606928), (152, 531062), (196, 411844), (266, 303464), (304, 265531), (392, 205922), (532, 151732), (784, 102961), (931, 86704), (1064, 75866), (1862, 43352), (2128, 37933), (3724, 21676), (5419, 14896), (7448, 10838)]