80470940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12613}}^1$

素因数の和:12662

約数の個数: 48

約数和(自身を含む): 190723680

約数和(自身を除く): 110252740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 12613, 25226, 50452, 63065, 126130, 138743, 252260, 277486, 365777, 554972, 693715, 731554, 1387430, 1463108, 1828885, 2774860, 3657770, 4023547, 7315540, 8047094, 16094188, 20117735, 40235470, 80470940]

約数ペア:

[(1, 80470940), (2, 40235470), (4, 20117735), (5, 16094188), (10, 8047094), (11, 7315540), (20, 4023547), (22, 3657770), (29, 2774860), (44, 1828885), (55, 1463108), (58, 1387430), (110, 731554), (116, 693715), (145, 554972), (220, 365777), (290, 277486), (319, 252260), (580, 138743), (638, 126130), (1276, 63065), (1595, 50452), (3190, 25226), (6380, 12613)]