80064820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{829}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 184060800

約数和(自身を除く): 103995980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 439, 829, 878, 1658, 1756, 2195, 3316, 4145, 4390, 4829, 8290, 8780, 9119, 9658, 16580, 18238, 19316, 24145, 36476, 45595, 48290, 91190, 96580, 182380, 363931, 727862, 1455724, 1819655, 3639310, 4003241, 7278620, 8006482, 16012964, 20016205, 40032410, 80064820]

約数ペア:

[(1, 80064820), (2, 40032410), (4, 20016205), (5, 16012964), (10, 8006482), (11, 7278620), (20, 4003241), (22, 3639310), (44, 1819655), (55, 1455724), (110, 727862), (220, 363931), (439, 182380), (829, 96580), (878, 91190), (1658, 48290), (1756, 45595), (2195, 36476), (3316, 24145), (4145, 19316), (4390, 18238), (4829, 16580), (8290, 9658), (8780, 9119)]