80081428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 170262400

約数和(自身を除く): 90180972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 436, 532, 763, 1381, 1526, 2071, 2762, 3052, 4142, 5524, 8284, 9667, 14497, 19334, 26239, 28994, 38668, 52478, 57988, 104956, 150529, 183673, 301058, 367346, 602116, 734692, 1053703, 2107406, 2860051, 4214812, 5720102, 11440204, 20020357, 40040714, 80081428]

約数ペア:

[(1, 80081428), (2, 40040714), (4, 20020357), (7, 11440204), (14, 5720102), (19, 4214812), (28, 2860051), (38, 2107406), (76, 1053703), (109, 734692), (133, 602116), (218, 367346), (266, 301058), (436, 183673), (532, 150529), (763, 104956), (1381, 57988), (1526, 52478), (2071, 38668), (2762, 28994), (3052, 26239), (4142, 19334), (5524, 14497), (8284, 9667)]