77842280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11939}}^1$

素因数の和:12113

約数の個数: 32

約数和(自身を含む): 176234400

約数和(自身を除く): 98392120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11939, 23878, 47756, 59695, 95512, 119390, 238780, 477560, 1946057, 3892114, 7784228, 9730285, 15568456, 19460570, 38921140, 77842280]

約数ペア:

[(1, 77842280), (2, 38921140), (4, 19460570), (5, 15568456), (8, 9730285), (10, 7784228), (20, 3892114), (40, 1946057), (163, 477560), (326, 238780), (652, 119390), (815, 95512), (1304, 59695), (1630, 47756), (3260, 23878), (6520, 11939)]