64797220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4159}}^1$

素因数の和:4228

約数の個数: 48

約数和(自身を含む): 146764800

約数和(自身を除く): 81967580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 4159, 7790, 8318, 15580, 16636, 20795, 41590, 79021, 83180, 158042, 170519, 316084, 341038, 395105, 682076, 790210, 852595, 1580420, 1705190, 3239861, 3410380, 6479722, 12959444, 16199305, 32398610, 64797220]

約数ペア:

[(1, 64797220), (2, 32398610), (4, 16199305), (5, 12959444), (10, 6479722), (19, 3410380), (20, 3239861), (38, 1705190), (41, 1580420), (76, 852595), (82, 790210), (95, 682076), (164, 395105), (190, 341038), (205, 316084), (380, 170519), (410, 158042), (779, 83180), (820, 79021), (1558, 41590), (3116, 20795), (3895, 16636), (4159, 15580), (7790, 8318)]