80489396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 163652160

約数和(自身を除く): 83162764

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 494, 533, 779, 988, 1066, 1558, 1987, 2132, 3116, 3974, 7948, 10127, 20254, 25831, 37753, 40508, 51662, 75506, 81467, 103324, 151012, 162934, 325868, 490789, 981578, 1059071, 1547873, 1963156, 2118142, 3095746, 4236284, 6191492, 20122349, 40244698, 80489396]

約数ペア:

[(1, 80489396), (2, 40244698), (4, 20122349), (13, 6191492), (19, 4236284), (26, 3095746), (38, 2118142), (41, 1963156), (52, 1547873), (76, 1059071), (82, 981578), (164, 490789), (247, 325868), (494, 162934), (533, 151012), (779, 103324), (988, 81467), (1066, 75506), (1558, 51662), (1987, 40508), (2132, 37753), (3116, 25831), (3974, 20254), (7948, 10127)]