655122931480

素因数分解:

$2^3\times 5^1\times {\mathrm{53239}}^1\times {\mathrm{307633}}^1$

素因数の和:360883

約数の個数: 32

約数和(自身を含む): 1474059074400

約数和(自身を除く): 818936142920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53239, 106478, 212956, 266195, 307633, 425912, 532390, 615266, 1064780, 1230532, 1538165, 2129560, 2461064, 3076330, 6152660, 12305320, 16378073287, 32756146574, 65512293148, 81890366435, 131024586296, 163780732870, 327561465740, 655122931480]

約数ペア:

[(1, 655122931480), (2, 327561465740), (4, 163780732870), (5, 131024586296), (8, 81890366435), (10, 65512293148), (20, 32756146574), (40, 16378073287), (53239, 12305320), (106478, 6152660), (212956, 3076330), (266195, 2461064), (307633, 2129560), (425912, 1538165), (532390, 1230532), (615266, 1064780)]