80494612280

素因数分解:

$2^3\times 5^1\times {\mathrm{6449}}^1\times {\mathrm{312043}}^1$

素因数の和:318503

約数の個数: 32

約数和(自身を含む): 181141542000

約数和(自身を除く): 100646929720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6449, 12898, 25796, 32245, 51592, 64490, 128980, 257960, 312043, 624086, 1248172, 1560215, 2496344, 3120430, 6240860, 12481720, 2012365307, 4024730614, 8049461228, 10061826535, 16098922456, 20123653070, 40247306140, 80494612280]

約数ペア:

[(1, 80494612280), (2, 40247306140), (4, 20123653070), (5, 16098922456), (8, 10061826535), (10, 8049461228), (20, 4024730614), (40, 2012365307), (6449, 12481720), (12898, 6240860), (25796, 3120430), (32245, 2496344), (51592, 1560215), (64490, 1248172), (128980, 624086), (257960, 312043)]