2018023520

素因数分解:

$2^5\times 5^1\times {\mathrm{2441}}^1\times {\mathrm{5167}}^1$

素因数の和:7623

約数の個数: 48

約数和(自身を含む): 4770456768

約数和(自身を除く): 2752433248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2441, 4882, 5167, 9764, 10334, 12205, 19528, 20668, 24410, 25835, 39056, 41336, 48820, 51670, 78112, 82672, 97640, 103340, 165344, 195280, 206680, 390560, 413360, 826720, 12612647, 25225294, 50450588, 63063235, 100901176, 126126470, 201802352, 252252940, 403604704, 504505880, 1009011760, 2018023520]

約数ペア:

[(1, 2018023520), (2, 1009011760), (4, 504505880), (5, 403604704), (8, 252252940), (10, 201802352), (16, 126126470), (20, 100901176), (32, 63063235), (40, 50450588), (80, 25225294), (160, 12612647), (2441, 826720), (4882, 413360), (5167, 390560), (9764, 206680), (10334, 195280), (12205, 165344), (19528, 103340), (20668, 97640), (24410, 82672), (25835, 78112), (39056, 51670), (41336, 48820)]