66205540

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{2729}}^1$

素因数の和:3951

約数の個数: 24

約数和(自身を含む): 139197240

約数和(自身を除く): 72991700

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 2729, 4852, 5458, 6065, 10916, 12130, 13645, 24260, 27290, 54580, 3310277, 6620554, 13241108, 16551385, 33102770, 66205540]

約数ペア:

[(1, 66205540), (2, 33102770), (4, 16551385), (5, 13241108), (10, 6620554), (20, 3310277), (1213, 54580), (2426, 27290), (2729, 24260), (4852, 13645), (5458, 12130), (6065, 10916)]