128568260

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{28319}}^1$

素因数の和:28555

約数の個数: 24

約数和(自身を含む): 271192320

約数和(自身を除く): 142624060

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 28319, 56638, 113276, 141595, 283190, 566380, 6428413, 12856826, 25713652, 32142065, 64284130, 128568260]

約数ペア:

[(1, 128568260), (2, 64284130), (4, 32142065), (5, 25713652), (10, 12856826), (20, 6428413), (227, 566380), (454, 283190), (908, 141595), (1135, 113276), (2270, 56638), (4540, 28319)]