53856280

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2081}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 121422240

約数和(自身を除く): 67565960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2081, 2588, 3235, 4162, 5176, 6470, 8324, 10405, 12940, 16648, 20810, 25880, 41620, 83240, 1346407, 2692814, 5385628, 6732035, 10771256, 13464070, 26928140, 53856280]

約数ペア:

[(1, 53856280), (2, 26928140), (4, 13464070), (5, 10771256), (8, 6732035), (10, 5385628), (20, 2692814), (40, 1346407), (647, 83240), (1294, 41620), (2081, 25880), (2588, 20810), (3235, 16648), (4162, 12940), (5176, 10405), (6470, 8324)]