161193800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{25999}}^1$

素因数の和:26046

約数の個数: 48

約数和(自身を含む): 386880000

約数和(自身を除く): 225686200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 25999, 51998, 103996, 129995, 207992, 259990, 519980, 649975, 805969, 1039960, 1299950, 1611938, 2599900, 3223876, 4029845, 5199800, 6447752, 8059690, 16119380, 20149225, 32238760, 40298450, 80596900, 161193800]

約数ペア:

[(1, 161193800), (2, 80596900), (4, 40298450), (5, 32238760), (8, 20149225), (10, 16119380), (20, 8059690), (25, 6447752), (31, 5199800), (40, 4029845), (50, 3223876), (62, 2599900), (100, 1611938), (124, 1299950), (155, 1039960), (200, 805969), (248, 649975), (310, 519980), (620, 259990), (775, 207992), (1240, 129995), (1550, 103996), (3100, 51998), (6200, 25999)]