57103880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20107}}^1$

素因数の和:20189

約数の個数: 32

約数和(自身を含む): 130299840

約数和(自身を除く): 73195960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 20107, 40214, 80428, 100535, 160856, 201070, 402140, 804280, 1427597, 2855194, 5710388, 7137985, 11420776, 14275970, 28551940, 57103880]

約数ペア:

[(1, 57103880), (2, 28551940), (4, 14275970), (5, 11420776), (8, 7137985), (10, 5710388), (20, 2855194), (40, 1427597), (71, 804280), (142, 402140), (284, 201070), (355, 160856), (568, 100535), (710, 80428), (1420, 40214), (2840, 20107)]