66579760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64019}}^1$

素因数の和:64045

約数の個数: 40

約数和(自身を含む): 166708080

約数和(自身を除く): 100128320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 64019, 128038, 256076, 320095, 512152, 640190, 832247, 1024304, 1280380, 1664494, 2560760, 3328988, 4161235, 5121520, 6657976, 8322470, 13315952, 16644940, 33289880, 66579760]

約数ペア:

[(1, 66579760), (2, 33289880), (4, 16644940), (5, 13315952), (8, 8322470), (10, 6657976), (13, 5121520), (16, 4161235), (20, 3328988), (26, 2560760), (40, 1664494), (52, 1280380), (65, 1024304), (80, 832247), (104, 640190), (130, 512152), (208, 320095), (260, 256076), (520, 128038), (1040, 64019)]