51513040

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1409}}^1$

素因数の和:1879

約数の個数: 40

約数和(自身を含む): 120115080

約数和(自身を除く): 68602040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1409, 1828, 2285, 2818, 3656, 4570, 5636, 7045, 7312, 9140, 11272, 14090, 18280, 22544, 28180, 36560, 56360, 112720, 643913, 1287826, 2575652, 3219565, 5151304, 6439130, 10302608, 12878260, 25756520, 51513040]

約数ペア:

[(1, 51513040), (2, 25756520), (4, 12878260), (5, 10302608), (8, 6439130), (10, 5151304), (16, 3219565), (20, 2575652), (40, 1287826), (80, 643913), (457, 112720), (914, 56360), (1409, 36560), (1828, 28180), (2285, 22544), (2818, 18280), (3656, 14090), (4570, 11272), (5636, 9140), (7045, 7312)]