65841880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 160957440

約数和(自身を除く): 95115560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 997, 1016, 1270, 1651, 1994, 2540, 3302, 3988, 4985, 5080, 6604, 7976, 8255, 9970, 12961, 13208, 16510, 19940, 25922, 33020, 39880, 51844, 64805, 66040, 103688, 126619, 129610, 253238, 259220, 506476, 518440, 633095, 1012952, 1266190, 1646047, 2532380, 3292094, 5064760, 6584188, 8230235, 13168376, 16460470, 32920940, 65841880]

約数ペア:

[(1, 65841880), (2, 32920940), (4, 16460470), (5, 13168376), (8, 8230235), (10, 6584188), (13, 5064760), (20, 3292094), (26, 2532380), (40, 1646047), (52, 1266190), (65, 1012952), (104, 633095), (127, 518440), (130, 506476), (254, 259220), (260, 253238), (508, 129610), (520, 126619), (635, 103688), (997, 66040), (1016, 64805), (1270, 51844), (1651, 39880), (1994, 33020), (2540, 25922), (3302, 19940), (3988, 16510), (4985, 13208), (5080, 12961), (6604, 9970), (7976, 8255)]