16644940

素因数分解:

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

素因数の和:64041

約数の個数: 24

約数和(自身を含む): 37643760

約数和(自身を除く): 20998820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64019, 128038, 256076, 320095, 640190, 832247, 1280380, 1664494, 3328988, 4161235, 8322470, 16644940]

約数ペア:

[(1, 16644940), (2, 8322470), (4, 4161235), (5, 3328988), (10, 1664494), (13, 1280380), (20, 832247), (26, 640190), (52, 320095), (65, 256076), (130, 128038), (260, 64019)]