80504050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{743}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 164400192

約数和(自身を除く): 83896142

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 197, 275, 394, 550, 743, 985, 1486, 1970, 2167, 3715, 4334, 4925, 7430, 8173, 9850, 10835, 16346, 18575, 21670, 37150, 40865, 54175, 81730, 108350, 146371, 204325, 292742, 408650, 731855, 1463710, 1610081, 3220162, 3659275, 7318550, 8050405, 16100810, 40252025, 80504050]

約数ペア:

[(1, 80504050), (2, 40252025), (5, 16100810), (10, 8050405), (11, 7318550), (22, 3659275), (25, 3220162), (50, 1610081), (55, 1463710), (110, 731855), (197, 408650), (275, 292742), (394, 204325), (550, 146371), (743, 108350), (985, 81730), (1486, 54175), (1970, 40865), (2167, 37150), (3715, 21670), (4334, 18575), (4925, 16346), (7430, 10835), (8173, 9850)]