85280240

素因数分解:

$2^4\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1289}}^1$

素因数の和:2129

約数の個数: 40

約数和(自身を含む): 198670320

約数和(自身を除く): 113390080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 1289, 1654, 2578, 3308, 4135, 5156, 6445, 6616, 8270, 10312, 12890, 13232, 16540, 20624, 25780, 33080, 51560, 66160, 103120, 1066003, 2132006, 4264012, 5330015, 8528024, 10660030, 17056048, 21320060, 42640120, 85280240]

約数ペア:

[(1, 85280240), (2, 42640120), (4, 21320060), (5, 17056048), (8, 10660030), (10, 8528024), (16, 5330015), (20, 4264012), (40, 2132006), (80, 1066003), (827, 103120), (1289, 66160), (1654, 51560), (2578, 33080), (3308, 25780), (4135, 20624), (5156, 16540), (6445, 13232), (6616, 12890), (8270, 10312)]