76640540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 164560032

約数和(自身を除く): 87919492

約数列:

[1, 2, 4, 5, 10, 20, 83, 137, 166, 274, 332, 337, 415, 548, 674, 685, 830, 1348, 1370, 1660, 1685, 2740, 3370, 6740, 11371, 22742, 27971, 45484, 46169, 55942, 56855, 92338, 111884, 113710, 139855, 184676, 227420, 230845, 279710, 461690, 559420, 923380, 3832027, 7664054, 15328108, 19160135, 38320270, 76640540]

約数ペア:

[(1, 76640540), (2, 38320270), (4, 19160135), (5, 15328108), (10, 7664054), (20, 3832027), (83, 923380), (137, 559420), (166, 461690), (274, 279710), (332, 230845), (337, 227420), (415, 184676), (548, 139855), (674, 113710), (685, 111884), (830, 92338), (1348, 56855), (1370, 55942), (1660, 46169), (1685, 45484), (2740, 27971), (3370, 22742), (6740, 11371)]