31011040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^2$

素因数の和:236

約数の個数: 72

約数和(自身を含む): 77890680

約数和(自身を除く): 46879640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 101, 152, 160, 190, 202, 304, 380, 404, 505, 608, 760, 808, 1010, 1520, 1616, 1919, 2020, 3040, 3232, 3838, 4040, 7676, 8080, 9595, 10201, 15352, 16160, 19190, 20402, 30704, 38380, 40804, 51005, 61408, 76760, 81608, 102010, 153520, 163216, 193819, 204020, 307040, 326432, 387638, 408040, 775276, 816080, 969095, 1550552, 1632160, 1938190, 3101104, 3876380, 6202208, 7752760, 15505520, 31011040]

約数ペア:

[(1, 31011040), (2, 15505520), (4, 7752760), (5, 6202208), (8, 3876380), (10, 3101104), (16, 1938190), (19, 1632160), (20, 1550552), (32, 969095), (38, 816080), (40, 775276), (76, 408040), (80, 387638), (95, 326432), (101, 307040), (152, 204020), (160, 193819), (190, 163216), (202, 153520), (304, 102010), (380, 81608), (404, 76760), (505, 61408), (608, 51005), (760, 40804), (808, 38380), (1010, 30704), (1520, 20402), (1616, 19190), (1919, 16160), (2020, 15352), (3040, 10201), (3232, 9595), (3838, 8080), (4040, 7676)]