2080496680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{37993}}^1$

素因数の和:38078

約数の個数: 48

約数和(自身を含む): 4811180220

約数和(自身を除く): 2730683540

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1369, 1480, 2738, 5476, 6845, 10952, 13690, 27380, 37993, 54760, 75986, 151972, 189965, 303944, 379930, 759860, 1405741, 1519720, 2811482, 5622964, 7028705, 11245928, 14057410, 28114820, 52012417, 56229640, 104024834, 208049668, 260062085, 416099336, 520124170, 1040248340, 2080496680]

約数ペア:

[(1, 2080496680), (2, 1040248340), (4, 520124170), (5, 416099336), (8, 260062085), (10, 208049668), (20, 104024834), (37, 56229640), (40, 52012417), (74, 28114820), (148, 14057410), (185, 11245928), (296, 7028705), (370, 5622964), (740, 2811482), (1369, 1519720), (1480, 1405741), (2738, 759860), (5476, 379930), (6845, 303944), (10952, 189965), (13690, 151972), (27380, 75986), (37993, 54760)]