80012660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43963}}^1$

素因数の和:43992

約数の個数: 48

約数和(自身を含む): 206806656

約数和(自身を除く): 126793996

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 43963, 87926, 175852, 219815, 307741, 439630, 571519, 615482, 879260, 1143038, 1230964, 1538705, 2286076, 2857595, 3077410, 4000633, 5715190, 6154820, 8001266, 11430380, 16002532, 20003165, 40006330, 80012660]

約数ペア:

[(1, 80012660), (2, 40006330), (4, 20003165), (5, 16002532), (7, 11430380), (10, 8001266), (13, 6154820), (14, 5715190), (20, 4000633), (26, 3077410), (28, 2857595), (35, 2286076), (52, 1538705), (65, 1230964), (70, 1143038), (91, 879260), (130, 615482), (140, 571519), (182, 439630), (260, 307741), (364, 219815), (455, 175852), (910, 87926), (1820, 43963)]