80829710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{647}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 162152928

約数和(自身を除く): 81323218

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 647, 806, 961, 1294, 1922, 2015, 3235, 4030, 4805, 6470, 8411, 9610, 12493, 16822, 20057, 24986, 40114, 42055, 62465, 84110, 100285, 124930, 200570, 260741, 521482, 621767, 1243534, 1303705, 2607410, 3108835, 6217670, 8082971, 16165942, 40414855, 80829710]

約数ペア:

[(1, 80829710), (2, 40414855), (5, 16165942), (10, 8082971), (13, 6217670), (26, 3108835), (31, 2607410), (62, 1303705), (65, 1243534), (130, 621767), (155, 521482), (310, 260741), (403, 200570), (647, 124930), (806, 100285), (961, 84110), (1294, 62465), (1922, 42055), (2015, 40114), (3235, 24986), (4030, 20057), (4805, 16822), (6470, 12493), (8411, 9610)]