168309920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25657}}^1$

素因数の和:25713

約数の個数: 48

約数和(自身を含む): 407346408

約数和(自身を除く): 239036488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 25657, 51314, 102628, 128285, 205256, 256570, 410512, 513140, 821024, 1026280, 1051937, 2052560, 2103874, 4105120, 4207748, 5259685, 8415496, 10519370, 16830992, 21038740, 33661984, 42077480, 84154960, 168309920]

約数ペア:

[(1, 168309920), (2, 84154960), (4, 42077480), (5, 33661984), (8, 21038740), (10, 16830992), (16, 10519370), (20, 8415496), (32, 5259685), (40, 4207748), (41, 4105120), (80, 2103874), (82, 2052560), (160, 1051937), (164, 1026280), (205, 821024), (328, 513140), (410, 410512), (656, 256570), (820, 205256), (1312, 128285), (1640, 102628), (3280, 51314), (6560, 25657)]